Swine Influenza A Evolution Via Recombination - Genetic Drift Reservoir
Henry L. Niman
Department of Influenza Recombination, Recombinomics, Inc, 648 Field Club Road,
Pittsburgh, PA 15238, USA
Correspondence to Henry L Niman Email:
henry_niman@recombinomics.com
Text word count: 1906
2 Figures, 1 Supplemental Figure, 1 Supplemental Table
Running Title: Swine Influenza A Evolution
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The looming influenza pandemic has focused attention
1-4
on the rapid evolution of H5N1
and other human and avian serotypes. The basic tenets of influenza genetics
5
define
gradual changes as drifts caused by point mutations created by a polymerase that lacks a
proof reading function. More abrupt changes have been linked to reassortment, which
shuffles the eight sub-genomic segments of the influenza genome in dually infected host.
The complex evolution of these viruses has created a challenge in vaccine development.
Swine influenza isolates from 2003 and 2004 have been identified
6
that have acquired a
human influenza gene, PB1. My analysis of the eight gene segments found large portions
of two genes, PB2 and PA, which were identical matches with 1977 swine isolates
7,8
.
Additional regions were exact matches with 1998 and 2002 isolates,
9,10
demonstrating
homologous recombination between earlier genomes. The absolute fidelity discounts the
role of point mutations in gene drift. Moreover the human PB1 gene represented a
reservoir for acquisition of polymorphisms in human seasonal flu. These observations
challenge the basic tenets of influenza genetics and provide a method for predicting the
changes in seasonal and pandemic influenza, as well as other rapidly evolving genomes.
Several constellations of influenza genes have emerged in swine in recent years.
Classical swine H1N1 was present in North America from the first influenza isolates in
1931 through 1998. At that point triple reassortants were identified which had human
H3, N2, and PB1 genes, swine NP, MP, and NS genes, and avian PA and PB2 genes
9, 11-
13
. Subsequent isolates replaced the human H3 with swine H1
14
or the N2 with N1
15,16.
Additional isolates
6
with seven swine gene segments and human PB1 have been
identified, as have swine isolates with 8 human genes. Recent H1N1 and H1N2 swine
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isolates in Canada contained a constellation of five or seven swine genes and one or three
human genes. All had a human PB1 gene.
Seven gene segments of seven recent isolates were compared to swine sequences at the
Los Alamos influenza database. This analysis identified extensive regions of identity
with earlier isolates. In addition, the human PB1 sequence was compared to 1109 human
influenza PB1 sequences at the Los Alamos influenza database.
Two of the eight influenza gene segments of the seven swine isolates are diagramed in
Figure 1, which depicts regions exactly matching other isolates. The other six gene
segments are in Supplemental Figure 1. Figure 1A displays the regions of identity in the
PB2 gene. The regions are defined by an exact match of three consecutive
polymorphisms, defined by the seven swine sequences. Five of the swine isolates, have
regions of homology with sw/TENN/24/77(H1N1). All five match the 1977 isolate
between positions 1006 and 1326. However, outside of this core region all sequences
diverge from each other. sw/ONT/57561 and sw/ONT/56626 have flanking regions
which match sw/NC/35922/98(H1N1) and an upstream region matching
sw/ONT/11112/04. However, the two closely related sequences then diverge from each
other. sw/ALB/56626 matches sw/ONT/53518. sw/ONT/53518 does not have matching
regions for the 1977 isolate. Instead, the remainder of the downstream region matches
sw/KOR/CT02/02(H1N1). sw/ONT/23866 has a larger region matching the 1977 isolate,
which extends to position 755. Upstream the sequence matches sw/ONT/11112.
Downstream from position 1594 there is also a match between sw/ONT/11112 and
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sw/ONT/23866. The region in sw/ONT/11112 that does not match sw/ONT/23866
matches the 1998 North Carolina isolate. sw/ONT/48235 and sw/ONT/55383 have the
longest region of homology with the 1977 isolate, which begins at position 204 and
extends to position 1931 for sw/ONT//55383. sw/ONT/48235 was identical for a slightly
shorter region. Both isolates then match other Canadian swine isolates, but
sw/ONT/55383 diverges to a unique sequence at position 2224.
Figure 1B displays the regions of identity in PA. In these genes six of the seven
Canadian isolates have large regions of identity with another 1977 swine isolate.
sw/TN/26/77(H1N1). All six are identical to the 1977 isolate between positions 992 and
1344. However, all six have extended regions of identity beyond this common region.
The longest region of identity is in sw/ONT/48235, which extends from position 150 to
1950. Outside of the regions of identity with the 1977 isolate, the Canadian isolates have
various regions of homology with each other. The seventh Canada isolate,
sw/ONT/56626 has extended segments of identity with a 1931 isolate,
sw/IA/1976/31(H1N1). The remaining six gene segments are display in the supplemental
figure 1A-F and show regions of identity with more recent swine isolates, with the
exception of PB1, which shows regions of identity with human isolates.
The PB1 gene is most closely related to human sequences of the mid 1990's indicating
human sequences have evolved away from the swine sequences. To monitor this
evolution, three 120 BP regions of the swine sequences were used to probe 1109 human
sequences in the Los Alamos database (listed in Supplement Table 1). These results, and
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the distribution of haplotypes found in thirty or more human sequences, are listed in
Figure 2. Figure 2A has the result of a probe representing the sequence of
sw/ONT/55383 and sw/ONT/48235 at positions 1345-1464. This sequence is found in
swine isolates in Asia and North America from 1997 through 2004 (see figure legend for
list). As expected the sequence was found in human isolates from 1992 to 1999 with
peak levels in 1996-1998. The sequence is not found in human isolates from 2000 to
2002. During that time the sequence with A1440G is the dominant haploype in 1999 and
2000, which is then replaced with hapoltype containing C1348T, C1430T, A1440G,
which is dominant in 2002 and 2003. The swine sequence then reappears in the human
population as the dominant haplotype in 2004 and 2005. The reappearance of three
polymorphisms that match the earlier swine sequence is consistent with acquisition of the
polymorphism via recombination from a swine reservoir. These sequences were in swine
isolates identified during the time that the haplotype was not present in the human
isolates.
Figure 2B represents an upstream region 1225 to 1344 of the sw/ONT/ 48235 sequences
which also matches swine sequences from 1997 to 2004. As expected is in human
isolated from 1997 to 2000, but the sequences does not reappear in human isolates.
Figure 2C represents the downstream region 1765 to 1884 of the sw/ONT/ 48235
sequence which is also matches swine sequences from 1997 to 2004. The haplotype is in
human isolates from 1993 to 1999 and is the dominant human haplotype from 1996 to
1998. It also does not reappear, demonstrating that region1325-1464 was preferentially
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selected for reappearance in the human population, supporting reappearance of the
portion or the swine sequence by recombination of human sequence with swine
sequences that were maintained from 1997 to 2004 in a separate reservoir.
The sequences in the upstream and downstream regions also showed abrupt changes that
involved the acquisition of new polymorphisms, as well as loss of recently acquire
polymorphisms. The most dramatic example is the change in the downstream dominant
haplotype from 2003 to 2004. Four polymorphisms (A1761G, T1833C, T1842C, and
G1879A) were acquired and three more were lost (A1800G, T1824C, and T1845C). The
seven changes between 2003 and 2004 over a region of 98 BP are most easily
accomplished by recombination. All of the changes are synonymous transitions.
The H1 swine sequences evolve at a slower rate than human sequences. The PB2
sequences have examples of this slower change. Five of the seven isolates have regions
of identity with a 1977 isolate, sw/TN/24, indicating the polymerase can faithfully copy
these segments for over 25 years. This high degree of fidelity is at odds with current
thinking on influenza evolution, which explains seasonal genetic drift by random
mutation. The slower rate of evolution in the swine sequences provides an opportunity to
clearly see another mechanism of evolution, homologous evolution.
The recombination can be readily seen in all eight gene segments, but is striking in the
PB2 gene. Five of the seven sequences share identity with the 1977 isolate between
positions 1006 and 1326. Although this region is faithfully copied in five of the isolates,
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the other two share identity with an isolate from 1998 or 2002. Moreover, the region
outside of the common 1977 region in the five isolates is differentially conserved. Two
of the isolates, sw/ONT/48235 and sw/ONT/55383 retain the identity with the 1977
isolate for most of the gene, over 1600 BP. The absolute conservation of most of the
gene for over 25 years is inconsistent with a polymerase causing annual genetic drift
because of copy errors.
The PA gene also shows a higher level of copy fidelity. Six of the seven recent isolates
have fidelity with another1977 isolate,sw/TN/26, while the seventh isolate,
sw/ALB/56626, has regions of identity with a 1931 isolate. Although six of the isolates
share a region of identity between positions 992 and 1344, large staggered regions of
identity with the 1977 are present in the recent isolates, which indicate that changes are
not due to random mutations and the regions outside of the 1977 segments are acquired
via homologous recombination.
The homologous recombination can involve a single crossover or multiple crossovers.
The PB2 gene is identical between sw/ONT/56626 and sw/ONT/53518 for the first 550
BP. sw/ONT/53518 matches sw/KOR/CY02 for the remainder of the gene.
sw/ALB/56626 matches sw/ONT/57561 between550 and 1594. However, the matching
region has identities with earlier isolates. The flanking sequences of this region match
sw/NC/35922/98, which is also present in sw/ONT/11112. However sw/ONT/57561 and
sw/ALB/56626 have the 1977 sequences nested in the middle of this region. The nesting
is most easily explained by the acquisition of the 1977 sequence after the 1998 sequence.
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This acquisition is possible because the more contemporary isolates have the older
sequence and can act as reservoirs of older genes that can be acquired by more recent
isolates via recombination.
The acquisition of older sequences from a swine reservoir can also be demonstrated in the
human PB1 gene. This gene is most closely related to human PB1 genes circulating in
the mid-1990's. The presence of these sequences in 2003/2004 swine isolates
demonstrates that these sequences evolve more slowly in swine and can be acquired by
human influenza genes via recombination. This was demonstrated by the disappearance
of the mid 90's polymorphisms and their reappearance in 2004. The simultaneous
reappearance of the three polymorphisms indicates they were acquired from a non-human
reservoir, such as swine. Thus, swine can act as a reservoir of older sequences for
acquisition of human influenza genes.
These data show that swine sequences evolve more slowly and the older sequences can
act as a reservoir that can be acquired via homologous recombination into swine, human,
and avian sequences. These acquisitions change the gene sequence, in contrast to
changes in constellations of genes due to recombination
17-21
. The acquisition of these
sequences via recombination allows for tracing of origins of sequences and predicting
new acquisitions from prior sequences.
A series of recombinations can generate single nucleotide polymorphisms (SNPs) when
the parental sequences are highly homologous
22
. The exchanges of SNPs are common in
closely related H5N1 clade 2.2 isolates. The concurrent acquisition of NA G743A by
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2007 isolates representing six genetic backgrounds found in three countries, Russia,
Egypt, and Ghana demonstrate the appending of a single SNP onto multiple genetic
backgrounds over a short time frame
22
. In addition, multiple recombinant crossovers
between human and swine H1N1 explain the origins of the 1918 pandemic strain
23
.
Thus, recombination plays an important role in influenza evolution and can generate both
drifts and shifts in a predictable manner.
Figure 1 Identity in Swine Influenza Genes PB2 and PA
A. Identities in PB2 gene for sw/ONT/11112 (11112), sw/ONT/23866 (23866),
sw/ONT/57561 (57561), sw/ALB/56626 (56626), sw/ONT/48235 (48235),
sw/ONT/55383 (55383), sw/ONT/53518 (53518) with Orange sw/TN/24/77 (H1N1),
Powder Blue sw/NC/35922/98(H3N2), Purple sw/KOR/CY02/02(H1N2), Grey
sw/ONT/1112/04(H1N1), Blue sw/ONT/48235/04(H1N2), Brown
sw/ONT/53518(H1N1).
B. Identities in PA gene for above isolates with Orange sw/TN/26/77(H1N1), Blue
sw/IA/1976/31(H1N1), Grey sw/ONT/1112/04(H1N1), Brown sw/ONT/55383/04, Green
sw/ONT/53518/03(H1N1)
Figure 2 Evolution of Human PB1 Polymorphisms
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A. Major haplotypes at positions 1225-1344.of ssw/ONT/48235 and sw/ONT/55383.
Positions with gold background match the swine sequence. Number of human H3N2
isolates with matching haplotype in black, human H1N2 matches in red.
B. Major haplotypes at positions 1345-1464.of sw/ONT/48235 and sw/ONT/55383.
Additional matching swine sequences sw/HK/411/02(H3N2 ), sw/HK/74/02(H3N2),
sw/KOR/CY02/02(H1N2), sw/MN/55551/00(H1N2), sw/IA/533/99(H3N2),
sw/IA/569/99(H3N2), sw/MN/593/99(H3N2), sw/HK/2429/98(H3N2), sw/Iowa/8548-
1/98(H3N2), sw/MN/9088-2/98(H3N2), sw/NE/209/98(H3N2), sw/TX/4199-
2/98(H3N2), sw/SZ/110/97(H3N2), sw/SZ/115/97(H3N2), sw/SZ/119/97(H3N2),
sw/SZ/120/97(H3N2). Positions with gold background match the swine sequence.
Number of human H3N2 isolates with matching haplotype in black, human H1N2
matches in red.
C, Major haplotypes at positions 1765-1824.of sw/ONT/48235 and sw/ONT/55383.
Positions with gold background match the swine sequence. Number of human H3N2
isolates with matching haplotype in black, human H1N2 matches in red.
Figure S1 Identities in Swine Influenza Genes PB1, HA, NP, NA, MP, NS
A. Identities in PB1 gene for sw/ONT/23866 (23866), sw/ONT/11112 (11112),
sw/ONT/53518 (53518), sw/ONT/48235/04(48235), sw/ONT/55383 (55383).
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Blue sw/ONT/23866/04(H1N1), Green sw/ONT/00130/97(H3N2), Orange
FU/114/96(H3N2), Brown sw/ON/48235/04(H1N2), Powder Blue HK/498/97(H3N2),
Pink sw/IN/9K035/99(H1N2), NY/58/2003(H3N2)
B. Identities in HA gene for sw/ONT/23866 (23866), sw/ONT/53518 (53518),
sw/ON/11112 (11112), sw/ONT/57561 (57561), sw/ALB/56626 (56626).
Orange sw/SH/106/91(H1N1), Blue WI/4755/94(H1N1), Powder Blue
sw/NE/1/92(H1N1), sw/ONT/23866/04(H1N1), Brown sw/ONT/57561/03(H1N1)
C. Identities in NP gene for sw/ONT/23866 (23866), sw/ONT/11112 (11112),
sw/ONT/57561 (57561), sw/ONT/53518 (53518), sw/ONT/48235/04(H1N2),
sw/ONT/55383 (55383), sw/ALB/56626 (56626).
Orange sw/IA/930/01(H1N2), sw/ONT/23866/04(H1N1), Brown
sw/ONT/57561/03(H1N1), Green sw/ONT/48235/04(H1N2).
D. Identities in NA gene for sw/ONT/11112 (11112), sw/ONT/57561 (57561),
sw/ONT/53518 (53518), sw/ONT/23866 (23866), sw/ALB/56626 (56626).
Orange sw/ONT/11112/04(H1N1), Powder Blue sw/ONT/57561/03(H1N1),
WI/4754/94(H1N1)
E. Identities in MP gene for sw/ONT/48235/04(H1N2), sw/ONT/55383 (55383),
sw/ONT/23866 (23866), sw/ONT/11112 (11112), sw/ONT/53518 (53518),
sw/ONT/57561 (57561), sw/ALB/56626 (56626).
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Powder Blue sw/NC/35922/98(H3N2), Orange sw/ONT/2/81(H1N1), Grey
WI/3523/88(H1N1), Blue sw/ONT/48235/04/(H1N2), Green sw/ONT/11112/04(H1N1),
Purple sw/ONT/57556/1/03(H1N1)
F. Identities in NS gene for sw/ONT/23866 (23866), sw/ONT/57561/03(H1N1),
sw/ONT/11112 (11112), sw/ONT/48235/04(H1N2), sw/ONT/55383 (55383),
sw/ONT/53518 (53518), sw/ALB/56626 (56626).
Orange sw/ONT/57561/03(H1N1), Powder Blue sw/ONT/48235/04(H1N1),
sw/ALB/56626/03(H1N1).
Table S1. Accession numbers, names and abbreviations for 1109 human and 25 swine
sequences.
Methods
Sequences were aligned and number using BLAST program. Polymorphisms were
defined by the seven swine sequences being tested and matching sequences. Identity was
defined by three consecutive matching polymorphisms. Matching haplotypes identified
by screening 1109 human and 25 swine PB1 sequences. Accession numbers, names, and
abbreviations listed in Supplemental Table 1.
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Figure 1A PB2
48235
55383
53518
11112
23866
57561
56626
2
2
2
4
1
9
3
1
1
5
9
4
1
3
2
6
7
5
5
1
0
0
6
2
0
4
5
5
0
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Figure 1B PA
2
0
7
5
1
9
5
0
9
1
7
8
6
1
4
6
1
3
4
4
7
4
5
9
9
2
2
5
3
4
9
8
48235
57561
56626
1
5
0
11112
55383
23866
53518
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Figure 2 Human PB1 Haplotypes
A
B
C
P
P
P 1781
A
A
G
A
A
G
O
O
O 1794
A
G
G
G
G
G
S
S
S 1800
A
A
A
G
G
A
I
I
I 1806
A
A
G
A
G
G
T
T
T 1824
T
C
T
C
C
T
I 1242 G
G
G
G
A
I
I 1833
T
T
T
T
T
C
O 1290 G
G
G
A
G
O 1348 C
C
T
O 1842
T
T
T
T
T
C
N 1295
A
G
G
G
G
N 1430 C
C
T
N 1845 G
C
T
C
C
T
1332 C
C
T
C
C
1440
A
G
G
1879 G
G
G
G
G
A
2005
27
7
21
2005 44
2005
42
2004
41
4
59
2
2004 93
1
9
2004
1
8 105
Y 2003
17 108 2
17
Y 2003
3
19
119
Y 2003
3
2 115
E 2002
123
E 2002
2
97
E 2002
95
4
A 2001
21
A 2001
14 14
A 2001
13
1
R 2000
2
58
R 2000
58
R 2000
35
1999 14 80
1999
1
57
1999
1
37 30
1998
6
22
1998 18 19
1998 22
7
1997 17 11
1997
9
11
1997 20
1996
1996 21
1996 17
1995
1995
7
1995
6
1994
1994
4
1994
5
1993
1993
2
1993
2
1992
1992
1
1992
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Figure S1A PB1
1
8
3
8
1
5
9
4
9
8
4
1
3
5
8
3
9
9
4
7
3
55383
2
3
9
23866
11112
53518
48235
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Figure S1B HA
1
5
0
3
1
3
8
8
1
2
9
9
9
6
7
1
0
7
8
7
9
8
8
7
9
56626
9
3
1
5
9
23866
53518
11112
57561
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Figure S1C NP
48235
55383
56626
23866
11112
57561
53518
1
3
2
5
1
1
7
5
6
8
3
1
0
4
3
3
7
3
4
6
6
1
5
7
2
7
6
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Figure S1D NA
56626
11112
57561
53518
23866
1
1
8
3
7
6
3
9
6
3
4
5
6
6
0
4
9
1
2
9
9
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Figure S1E MP
7
9
9
9
2
3
4
7
9
6
4
0
1
6
1
3
6
3
53518
57561
56626
1
2
0
48235
55383
23866
11112
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Figure S1F NS
8
0
6
6
8
9
7
3
4
4
9
2
5
5
9
2
2
5
3
3
7
9
8
1
6
8
55383
53518
56626
2
7
23856
57561
11112
48235
Nature Precedings : hdl:10101/npre.2007.385.1 : Posted 7 Jul 2007
Table 1S
Accession
Name
Year Sero 1 1 1 1
1 1 1
1 1 1 1 1 1 1 1 1
Abreviation
Number
Type 2 2 3 3
3 4 4
7 7 8 8 8 8 8 8 8
4 9 0 3
8 3 4
8 9 0 0 2 3 4 4 7
2 8 5 2
4 0 0
1 4 0 6 4 3 2 5 9
Human PB1
CY007801 A/Canterbury/01/2005
2005 H3N2G AG C
C C A
CY007809 A/Canterbury/02/2005
2005 H3N2G AG C
C C A
CY007817 A/Canterbury/03/2005
2005 H3N2G AG C
C C A
CY008362 A/Canterbury/104/2005
2005 H3N2G G G C
G G A G T C C T A
CY008562 A/Canterbury/105/2005
2005 H3N2G G G C
G G A G T C C T A
CY009050 A/Canterbury/124/2005
2005 H3N2
CY009938 A/Canterbury/125/2005
2005 H3N2 AG G C
C C A
CY008073 A/Canterbury/127/2005
2005 H3N2 AG G C
C C A
CY008081 A/Canterbury/129/2005
2005 H3N2 AG G C
C C A
CY007961 A/Canterbury/16/2005
2005 H3N2
C C A
G G A G T C C T A
CY008089 A/Canterbury/166/2005
2005 H3N2 AG G C
C C A
CY008370 A/Canterbury/186/2005
2005 H3N2
C C A
CY008346 A/Canterbury/20/2005
2005 H3N2 AG G C
C C A
CY008378 A/Canterbury/204/2005
2005 H3N2
CY008570 A/Canterbury/205/2005
2005 H3N2 AG G C
C C A
CY008097 A/Canterbury/206/2005
2005 H3N2 AG G C
C C A
CY008105 A/Canterbury/212/2005
2005 H3N2
G G A G T C C T A
CY008386 A/Canterbury/220/2005
2005 H3N2 AG G C
C C A
CY008578 A/Canterbury/230/2005
2005 H3N2
C C A
CY008586 A/Canterbury/233/2005
2005 H3N2 AG G C
C C A
CY008394 A/Canterbury/234/2005
2005 H3N2 AG G C
CY008402 A/Canterbury/235/2005
2005 H3N2
G G A G T C C T A
CY008410 A/Canterbury/236/2005
2005 H3N2 AG G C
CY008418 A/Canterbury/237/2005
2005 H3N2 AG G C
C C A
CY008426 A/Canterbury/238/2005
2005 H3N2 AG G C
C C A
CY008049 A/Canterbury/24/2005
2005 H3N2 AG G C
C C A
CY008434 A/Canterbury/242/2005
2005 H3N2 AG G C
C C A
G G A G T C C T A
CY008594 A/Canterbury/248/2005
2005 H3N2
G G A G T C C T A
CY010090 A/Canterbury/250/2005
2005 H3N2
CY008602 A/Canterbury/251/2005
2005 H3N2
CY008610 A/Canterbury/253/2005
2005 H3N2
G G A G T C C T A
CY008618 A/Canterbury/255/2005
2005 H3N2
G G A G T C C T A
CY008626 A/Canterbury/256/2005
2005 H3N2
G G A G T C C T A
CY008634 A/Canterbury/257/2005
2005 H3N2
CY008642 A/Canterbury/258/2005
2005 H3N2 AG G C
CY008113 A/Canterbury/259/2005
2005 H3N2 AG G C
C C A
CY009034 A/Canterbury/26/2005
2005 H3N2 AG G C
C C A
CY008442 A/Canterbury/260/2005
2005 H3N2
G G A G T C C T A
CY008650 A/Canterbury/266/2005
2005 H3N2
G G A G T C C T A
CY008450 A/Canterbury/269/2005
2005 H3N2
G G A G T C C T A
CY008658 A/Canterbury/270/2005
2005 H3N2
G G A G T C C T A
CY008057 A/Canterbury/29/2005
2005 H3N2 AG G C
CY007969 A/Canterbury/33/2005
2005 H3N2 AG G C
CY009042 A/Canterbury/34/2005
2005 H3N2 AG G C
C C A
CY008354 A/Canterbury/64/2005
2005 H3N2
G G A G T C C T A
CY008065 A/Canterbury/67/2005
2005 H3N2
G G A G T C C T A
CY006129 A/New York/191/2005
2005 H3N2
G G G C
C C A
G G A G T C C T A
CY006137 A/New York/206/2005
2005 H3N2G AG C
C C A
G G A G T C C T A
CY002782 A/New York/210/2005
2005 H3N2G G G C
G G A G T C C T A
CY006145 A/New York/238/2005
2005 H3N2G G G C
G G A G T C C T A
CY006153 A/New York/243/2005
2005 H3N2
G G G C
C C A
G G A G T C C T A
CY006161 A/New York/258/2005
2005 H3N2G G G C
G G A G T C C T A
CY002726 A/New York/352/2005
2005 H3N2G G G C
C C A
CY002190 A/New York/357/2005
2005 H3N2G G G C
G G A G T C C T A
CY002006 A/New York/359/2005
2005 H3N2
G AG C
C C A
G G A G T C C T A
CY002014 A/New York/361/2005
2005 H3N2G G G C
G G A G T C C T A
CY002454 A/New York/367/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY002206 A/New York/369/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY002462 A/New York/373/2005
2005 H3N2
G G G C
C C A
CY002246 A/New York/375/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY003054 A/New York/376/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY002022 A/New York/378/2005
2005 H3N2G G G C
G G A G T C C T A
CY002038 A/New York/382/2005
2005 H3N2
C C A
CY002470 A/New York/384/2005
2005 H3N2G AG C
C C A
G G A G T C C T A
CY002270 A/New York/388/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY003350 A/New York/389/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY002486 A/New York/390/2005
2005 H3N2
G G G C
C C A
G G A G T C C T A
CY002062 A/New York/391/2005
2005 H3N2G G G C
G G A G T C C T A
CY002494 A/New York/393/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY002742 A/New York/394/2005
2005 H3N2G AG C
C C A
G G A G T C C T A
CY003062 A/New York/395/2005
2005 H3N2
G G G C
G G A G T C C T A
CY002078 A/New York/396/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY006082 A/New York/461/2005
2005 H3N2
C C A
G G A G T C C T A
CY006297 A/New York/462/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY003646 A/New York/463/2005
2005 H3N2
G G G C
C C A
G G A G T C C T A
CY003654 A/New York/464/2005
2005 H3N2G G G C
C C A
G G A G T C C T A
CY006090 A/New York/465/2005
2005 H3N2G G G C
C C A
CY002960 A/Ashburton/280/2004
2004 H3N2 AG G C
C C A
G G A G T C C T A
CY007297 A/Bay of Plenty/279/2004
2004 H3N2
G AG C
C C A
CY007305 A/Bay of Plenty/332/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007321 A/Bay of Plenty/383/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007425 A/Canterbury/100/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007433 A/Canterbury/101/2004
2004 H3N2
G AG C
C C A
CY007441 A/Canterbury/102/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007449 A/Canterbury/103/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007457 A/Canterbury/104/2004
2004 H3N2
C C A
G G A G T C C T A
CY007465 A/Canterbury/105/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY007473 A/Canterbury/106/2004
2004 H1N1
CY007481 A/Canterbury/107/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007993 A/Canterbury/108/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY008001 A/Canterbury/109/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY007345 A/Canterbury/11/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007353 A/Canterbury/12/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007361 A/Canterbury/16/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007369 A/Canterbury/17/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY007377 A/Canterbury/18/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007385 A/Canterbury/19/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007393 A/Canterbury/20/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007489 A/Canterbury/201/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY007497 A/Canterbury/202/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007505 A/Canterbury/205/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007513 A/Canterbury/206/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007521 A/Canterbury/207/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY007529 A/Canterbury/208/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007537 A/Canterbury/209/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007401 A/Canterbury/21/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007545 A/Canterbury/210/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY007409 A/Canterbury/23/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007417 A/Canterbury/24/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007553 A/Canterbury/303/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007561 A/Canterbury/304/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY008226 A/Canterbury/305/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY008234 A/Canterbury/308/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY008242 A/Canterbury/309/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY008250 A/Canterbury/310/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY007569 A/Canterbury/311/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY008258 A/Canterbury/312/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007577 A/Canterbury/313/2004
2004 H3N2 AG G C
C C A
G G A G T C C T A
CY007585 A/Canterbury/315/2004
2004 H3N2
G AG C
C C A
CY002975 A/Christchurch/10/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002912 A/Christchurch/13/2004
2004 H3N2G G G C
C C G
G G A G T C C T A
CY002928 A/Christchurch/14/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002920 A/Christchurch/15/2004
2004 H3N2
G G G C
C C A
G G A G T C C T A
CY002952 A/Christchurch/184/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002968 A/Christchurch/297/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002982 A/Christchurch/339/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002936 A/Christchurch/89/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY002944 A/Christchurch/90/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY000767 A/New York/10/2004
2004 H3N2
T T G
A G G G C T T C G
CY003078 A/New York/123/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002614 A/New York/190/2004
2004 H3N2
G G G C
C C A
G G A G T C C T A
CY002774 A/New York/200/2004
2004 H3N2G G G C
C C A
CY002294 A/New York/207/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002510 A/New York/218/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002790 A/New York/232/2004
2004 H3N2
G G G C
C C A
G G A G T C C T A
CY003414 A/New York/236/2004
2004 H3N2G G G C
G G A G T C C T A
CY003422 A/New York/237/2004
2004 H3N2G G G C
C C A
CY002086 A/New York/244/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007649 A/New York/245/2004
2004 H3N2
G G G C
C C A
G G A G T C C T A
CY002798 A/New York/245/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY000375 A/New York/31/2004
2004 H3N2G G G T
A G G G C T T C G
CY002718 A/New York/319/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY000039 A/New York/33/2004
2004 H3N2
G G G T
T T G
A G G G C T T C G
CY002414 A/New York/334/2004
2004 H3N2
C C A
G G A G T C C T A
CY003038 A/New York/351/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002422 A/New York/353/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY003342 A/New York/354/2004
2004 H3N2
G AG C
C C A
G G A G T C C T A
CY006121 A/New York/355/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002182 A/New York/356/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002590 A/New York/358/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002430 A/New York/360/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY008194 A/New York/360/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002438 A/New York/362/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002734 A/New York/363/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY003046 A/New York/364/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002446 A/New York/365/2004
2004 H3N2G G G C
G G A G T C C T A
CY002198 A/New York/366/2004
2004 H3N2G G G C
G G A G T C C T A
CY006441 A/New York/368/2004
2004 H3N2G G G C
G G A G T C C T A
CY002214 A/New York/370/2004
2004 H3N2G G G C
G G A G T C C T A
CY002222 A/New York/371/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002230 A/New York/372/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002238 A/New York/374/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002598 A/New York/377/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002030 A/New York/379/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002606 A/New York/380/2004
2004 H3N2
G G A G T C C T A
CY002254 A/New York/381/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002262 A/New York/383/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002478 A/New York/385/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002046 A/New York/386/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY002054 A/New York/387/2004
2004 H3N2
C C A
G G A G T C C T A
CY002070 A/New York/392/2004
2004 H3N2
C C A
G G A G T C C T A
CY006377 A/New York/466/2004
2004 H3N2
G G A G T C C T A
CY006385 A/New York/467/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY003662 A/New York/468/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY006185 A/New York/469/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY006098 A/New York/470/2004
2004 H3N2G G G C
G G A G T C C T A
CY003670 A/New York/471/2004
2004 H3N2
C C A
G G A G T C C T A
CY008170 A/New York/472/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY009258 A/New York/480/2004
2004 H3N2
T T G
A G G G C T T C G
CY008914 A/New York/498/2004
2004 H3N2G G G T
T T G
A G G G C T T C G
CY009266 A/New York/499/2004
2004 H3N2
A G G G C T T C G
CY000895 A/New York/5/2004
2004 H3N2
T T G
A G G G C T T C G
CY009274 A/New York/500/2004
2004 H3N2G G G C
C C A
A G G G C T T C G
CY000263 A/New York/52/2004
2004 H3N2G G G C
T T G
A G G A C T T C G
CY001035 A/New York/6/2004
2004 H3N2
T T G
CY002766 A/New York/68/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY000567 A/New York/69/2004
2004 H3N2G G G T
T T G
CY001235 A/New York/70/2004
2004 H3N2
T T G
CY008522 A/New York/73/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY002286 A/New York/98/2004
2004 H3N2G G G C
C C A
G G A G T C C T A
CY008218 A/Tairawhiti/223/2004
2004 H3N2
C C A
G G A G T C C T A
CY007313 A/Tairawhiti/369/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY009930 A/Whanganui/127/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007281 A/Whanganui/128/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007289 A/Whanganui/129/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007329 A/Whanganui/386/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY007337 A/Whanganui/417/2004
2004 H3N2G AG C
G G A G T C C T A
CY008210 A/Whanganui/69/2004
2004 H3N2G AG C
C C A
G G A G T C C T A
CY006929 A/Canterbury/382/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY006937 A/Canterbury/384/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY006945 A/Canterbury/386/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY006953 A/Canterbury/387/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY006961 A/Canterbury/390/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY006969 A/Canterbury/391/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY006977 A/Canterbury/392/2003
2003 H3N2G G G T
A G G G C T T C G
CY006985 A/Canterbury/393/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY006993 A/Canterbury/394/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007001 A/Canterbury/395/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007009 A/Canterbury/397/2003
2003 H3N2G G G T
T T G
CY007017 A/Canterbury/398/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007025 A/Canterbury/399/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY009026 A/Canterbury/400/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007033 A/Canterbury/401/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007041 A/Canterbury/403/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007049 A/Canterbury/404/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007057 A/Canterbury/405/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007065 A/Canterbury/406/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007073 A/Canterbury/408/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007825 A/Canterbury/409/2003
2003 H3N2G G G T
T T G
A G G G C T T C G
CY007081 A/Canterbury/410/2003
2003 H3N2G G G T
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2002 H3N2G G G C
T T G
A G G A C T T C G
CY000591 A/New York/130/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY000439 A/New York/132/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY000335 A/New York/133/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY000447 A/New York/134/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY000343 A/New York/135/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY001243 A/New York/136/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003374 A/New York/217/2002
2002 H1N2 AG G C
CY002534 A/New York/220/2002
2002 H1N1
CY001734 A/New York/274/2002
2002 H3N2G G G C
CY002134 A/New York/275/2002
2002 H3N2G G G C
T T G
CY001742 A/New York/276/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003310 A/New York/291/2002
2002 H1N1
CY003102 A/New York/403/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003110 A/New York/404/2002
2002 H3N2G G G C
A G G A C T T C G
CY003118 A/New York/405/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003128 A/New York/406/2002
2002 H3N2G G G C
T T G
A G G G C T T C G
CY003430 A/New York/407/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003134 A/New York/408/2002
2002 H3N2
T T G
A G G A C T T C G
CY003142 A/New York/409/2002
2002 H3N2G G G C
A G G A C T T C G
CY003150 A/New York/410/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003158 A/New York/411/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003166 A/New York/412/2002
2002 H3N2G G G C
A G G A C T T C G
CY003174 A/New York/413/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003182 A/New York/414/2002
2002 H3N2
T T G
A G G G C T T C G
CY003190 A/New York/415/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003198 A/New York/416/2002
2002 H3N2G G G C
A G G A C T T C G
CY003775 A/New York/417/2002
2002 H1N2G G G C
C C G
CY003206 A/New York/418/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003214 A/New York/419/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY003783 A/New York/420/2002
2002 H3N2G G G C
CY006681 A/New York/494/2002
2002 H1N1
Nature Precedings : hdl:10101/npre.2007.385.1 : Posted 7 Jul 2007
CY001158 A/New York/74/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY001307 A/New York/75/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY001435 A/New York/76/2002
2002 H3N2
CY001686 A/New York/78/2002
2002 H1N2
C C G
CY001267 A/New York/81/2002
2002 H3N2
CY000287 A/New York/86/2002
2002 H3N2G G G C
T T G
A G G G C T T C G
CY000399 A/New York/87/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY001078 A/New York/88/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY000407 A/New York/89/2002
2002 H3N2G G G C
T T G
CY000415 A/New York/90/2002
2002 H3N2
T T G
A G G A C T T C G
CY000215 A/New York/91/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY000295 A/New York/92/2002
2002 H3N2G G G C
T T G
A G G G C T T C G
CY000931 A/New York/93/2002
2002 H3N2G G G C
CY000223 A/New York/95/2002
2002 H3N2G G G C
CY000303 A/New York/96/2002
2002 H3N2G G G C
A G G A C T T C G
CY001315 A/New York/97/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY001086 A/New York/99/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
CY007913 A/South Canterbury/37/2002
2002 H3N2G G G C
T T G
A G G A C T T C G
AJ532565 A/Switzerland/8808/2002
2002 H1N2
AB126625 A/Yokohama/22/2002
2002 H1N2G G G C
AB126634 A/Yokohama/47/2002
2002 H1N2G G G C
CY010402 A/Canterbury/01/2001
2001 H1N1
CY009954 A/Canterbury/06/2001
2001 H3N2G G G C
C C G
CY009562 A/Canterbury/07/2001
2001 H3N2
C C G
CY009866 A/Canterbury/08/2001
2001 H1N1
CY009402 A/Canterbury/10/2001
2001 H3N2G G G C
C C G
CY010482 A/Canterbury/106/2001
2001 H1N1
CY010314 A/Canterbury/119/2001
2001 H1N1
CY010322 A/Canterbury/125/2001
2001 H1N1
CY010330 A/Canterbury/126/2001
2001 H1N1
CY010338 A/Canterbury/139/2001
2001 H1N1
CY009594 A/Canterbury/140/2001
2001 H3N2
C C G
CY010346 A/Canterbury/144/2001
2001 H1N1
CY009858 A/Canterbury/146/2001
2001 H3N2
C C G
CY009442 A/Canterbury/149/2001
2001 H3N2
C C G
CY009986 A/Canterbury/153/2001
2001 H1N1
CY010354 A/Canterbury/155/2001
2001 H1N1
CY009882 A/Canterbury/16/2001
2001 H1N1
CY010154 A/Canterbury/17/2001
2001 H1N1
CY010162 A/Canterbury/19/2001
2001 H1N1
CY010170 A/Canterbury/21/2001
2001 H1N1
CY010178 A/Canterbury/23/2001
2001 H1N1
CY010186 A/Canterbury/24/2001
2001 H1N1
CY010194 A/Canterbury/25/2001
2001 H1N1
CY010202 A/Canterbury/27/2001
2001 H1N1
CY010210 A/Canterbury/29/2001
2001 H1N1
CY010218 A/Canterbury/30/2001
2001 H1N1
CY010226 A/Canterbury/34/2001
2001 H1N1
CY010234 A/Canterbury/35/2001
2001 H1N1
CY010554 A/Canterbury/36/2001
2001 H3N2
C C G
CY009418 A/Canterbury/37/2001
2001 H3N2G G G C
C C G
CY010242 A/Canterbury/40/2001
2001 H1N1
CY009890 A/Canterbury/41/2001
2001 H1N1
CY009578 A/Canterbury/43/2001
2001 H3N2
G G G C
C C G
CY009426 A/Canterbury/44/2001
2001 H3N2G G G C
C C G
CY010250 A/Canterbury/45/2001
2001 H1N1
CY010258 A/Canterbury/47/2001
2001 H1N1
CY010266 A/Canterbury/48/2001
2001 H1N1
CY009586 A/Canterbury/50/2001
2001 H3N2
C C G
CY010418 A/Canterbury/51/2001
2001 H1N1
CY010274 A/Canterbury/53/2001
2001 H1N1
CY010562 A/Canterbury/54/2001
2001 H1N1
CY010282 A/Canterbury/58/2001
2001 H1N1
CY010426 A/Canterbury/63/2001
2001 H1N1
CY010290 A/Canterbury/64/2001
2001 H1N1
CY010434 A/Canterbury/65/2001
2001 H1N1
CY009962 A/Canterbury/66/2001
2001 H1N1
CY010442 A/Canterbury/68/2001
2001 H1N1
CY010450 A/Canterbury/69/2001
2001 H1N1
CY010458 A/Canterbury/70/2001
2001 H1N1
CY010466 A/Canterbury/71/2001
2001 H1N1
CY010298 A/Canterbury/72/2001
2001 H1N1
CY010306 A/Canterbury/73/2001
2001 H1N1
CY009970 A/Canterbury/74/2001
2001 H1N1
CY009978 A/Canterbury/76/2001
2001 H1N1
CY010474 A/Canterbury/79/2001
2001 H1N1
CY000311 A/New York/124/2001
2001 H3N2G G G C
T T G
A G G A C T T C G
CY000582 A/New York/127/2001
2001 H3N2
G G G C
T T G
A G G A C T T C G
CY000327 A/New York/131/2001
2001 H3N2G G G C
T T G
A G G A C T T C G
CY001958 A/New York/205/2001
2001 H1N1
CY002622 A/New York/208/2001
2001 H1N1
CY006425 A/New York/212/2001
2001 H1N1
CY003006 A/New York/239/2001
2001 H1N1
CY003014 A/New York/241/2001
2001 H1N1
CY006361 A/New York/242/2001
2001 H1N1
CY003022 A/New York/246/2001
2001 H1N1
CY001726 A/New York/273/2001
2001 H3N2G G G C
T T G
A G G A C T T C G
CY002574 A/New York/281/2001
2001 H1N1
CY002822 A/New York/301/2001
2001 H3N2G G G C
T T G
A G G A C T T C G
CY003318 A/New York/302/2001
2001 H1N1
CY006369 A/New York/303/2001
2001 H1N1
CY003398 A/New York/305/2001
2001 H1N1
CY003406 A/New York/306/2001
2001 H1N1
CY008154 A/New York/307/2001
2001 H1N1
CY002806 A/New York/308/2001
2001 H1N1
CY006881 A/New York/309/2001
2001 H1N1
CY002678 A/New York/310/2001
2001 H1N1
CY002702 A/New York/312/2001
2001 H1N1
CY003030 A/New York/341/2001
2001 H1N1
CY003326 A/New York/342/2001
2001 H1N1
CY002398 A/New York/343/2001
2001 H1N1
CY006785 A/New York/344/2001
2001 H1N1
CY002406 A/New York/345/2001
2001 H1N1
CY003334 A/New York/346/2001
2001 H1N1
CY003086 A/New York/401/2001
2001 H3N2G G G C
T T G
A G G A C T T C G
CY003094 A/New York/402/2001
2001 H3N2
G G G C
A G G A C T T C G
CY009242 A/New York/441/2001
2001 H1N1
CY003470 A/New York/442/2001
2001 H1N1
CY003478 A/New York/443/2001
2001 H1N1
CY003294 A/New York/444/2001
2001 H1N1
CY003839 A/New York/445/2001
2001 H1N1
CY003486 A/New York/446/2001
2001 H1N1
CY006177 A/New York/447/2001
2001 H1N1
CY000487 A/New York/71/2001
2001 H3N2
T T G
A G G A C T T C G
CY002334 A/New York/77/2001
2001 H3N2G G G C
T T G
A G G A C T T C G
CY000575 A/New York/80/2001
2001 H3N2G G G C
T T G
A G G A C T T C G
CY000279 A/New York/82/2001
2001 H3N2G G G C
T T G
A G G A C T T C G
CY000191 A/New York/83/2001
2001 H3N2
G G G C
T T G
A G G A C T T C G
CY000207 A/New York/84/2001
2001 H3N2G G G C
T T G
A G G G C T T C G
CY000391 A/New York/85/2001
2001 H3N2G G G C
T T G
CY001174 A/New York/94/2001
2001 H3N2G G G C
T T G
A G G A C T T C G
CY009874 A/South Canterbury/15/2001
2001 H1N1
CY010362 A/South Canterbury/159/2001
2001 H1N1
CY009570 A/West Coast/28/2001
2001 H3N2G G G C
C C G
CY009410 A/West Coast/32/2001
2001 H3N2G G G C
C C G
CY010410 A/West Coast/33/2001
2001 H1N1
C C G
CY009434 A/West Coast/55/2001
2001 H3N2G G G C
C C G
CY010138 A/Canterbury/100/2000
2000 H1N1
CY008850 A/Canterbury/101/2000
2000 H3N2G G G C
C C G
CY008842 A/Canterbury/103/2000
2000 H3N2
G G G C
C C G
CY008482 A/Canterbury/17/2000
2000 H3N2G G G C
C C G
CY009122 A/Canterbury/2/2000
2000 H3N2G G G C
C C G
CY009762 A/Canterbury/23/2000
2000 H1N1
CY010106 A/Canterbury/27/2000
2000 H1N1
CY009194 A/Canterbury/28/2000
2000 H1N1
CY009106 A/Canterbury/3/2000
2000 H3N2G G G C
C C G
CY009186 A/Canterbury/30/2000
2000 H1N1
CY009226 A/Canterbury/32/2000
2000 H1N1
CY009218 A/Canterbury/33/2000
2000 H1N1
CY009234 A/Canterbury/34/2000
2000 H1N1
CY009202 A/Canterbury/36/2000
2000 H1N1
CY009538 A/Canterbury/37/2000
2000 H1N1
CY008490 A/Canterbury/38/2000
2000 H3N2G G G C
C C G
CY008145 A/Canterbury/39/2000
2000 H3N2G G G C
C C G
CY009834 A/Canterbury/41/2000
2000 H1N1
CY008137 A/Canterbury/42/2000
2000 H3N2
G G G C
C C G
CY010098 A/Canterbury/43/2000
2000 H1N1
CY009546 A/Canterbury/5/2000
2000 H1N1
CY010114 A/Canterbury/51/2000
2000 H1N1
CY010130 A/Canterbury/54/2000
2000 H1N1
CY009138 A/Canterbury/55/2000
2000 H3N2G G G C
C C G
CY008754 A/Canterbury/56/2000
2000 H3N2G G G C
C C G
CY009850 A/Canterbury/57/2000
2000 H1N1
CY009154 A/Canterbury/58/2000
2000 H3N2
G G G C
CY010122 A/Canterbury/58/2000
2000 H1N1
CY009826 A/Canterbury/60/2000
2000 H1N1
CY009170 A/Canterbury/61/2000
2000 H3N2G G G C
CY010394 A/Canterbury/63/2000
2000 H1N1
CY009146 A/Canterbury/64/2000
2000 H3N2G G G C
C C G
CY009554 A/Canterbury/65/2000
2000 H1N1
CY008770 A/Canterbury/66/2000
2000 H3N2G G G C
C C G
CY009162 A/Canterbury/67/2000
2000 H3N2G G G C
C C G
CY008762 A/Canterbury/68/2000
2000 H3N2G G G C
C C G
CY009770 A/Canterbury/7/2000
2000 H1N1
CY008778 A/Canterbury/71/2000
2000 H3N2G G G C
C C G
CY008498 A/Canterbury/73/2000
2000 H3N2G G G C
C C G
CY009794 A/Canterbury/76/2000
2000 H1N1
CY009818 A/Canterbury/78/2000
2000 H1N1
CY009802 A/Canterbury/79/2000
2000 H1N1
CY010386 A/Canterbury/8/2000
2000 H1N1
CY008786 A/Canterbury/80/2000
2000 H3N2G G G C
C C G
CY008794 A/Canterbury/81/2000
2000 H3N2G G G C
C C G
CY008802 A/Canterbury/84/2000
2000 H3N2G G G C
C C G
CY008810 A/Canterbury/85/2000
2000 H3N2G G G C
C C G
CY009082 A/Canterbury/87/2000
2000 H3N2G G G C
C C G
CY009810 A/Canterbury/87/2000
2000 H1N1
CY008506 A/Canterbury/88/2000
2000 H3N2G G G C
C C G
CY008826 A/Canterbury/89/2000
2000 H3N2
C C G
CY009946 A/Canterbury/9/2000
2000 H1N1
CY008866 A/Canterbury/90/2000
2000 H3N2G G G C
C C G
CY009098 A/Canterbury/92/2000
2000 H3N2G G G C
C C G
CY008834 A/Canterbury/93/2000
2000 H3N2
C C G
CY009394 A/Canterbury/94/2000
2000 H3N2
C C G
CY010146 A/Canterbury/95/2000
2000 H1N1
C C G
CY009090 A/Canterbury/96/2000
2000 H3N2G G G C
C C G
CY008858 A/Canterbury/98/2000
2000 H3N2
C C G
CY008514 A/Canterbury/99/2000
2000 H3N2
CY008818 A/Hutt/82/2000
2000 H3N2G G G C
CY009130 A/Nelson Marlborough/1/2000
2000 H3N2G G G C
CY001526 A/New York/142/2000
2000 H3N2G G G C
CY000456 A/New York/146/2000
2000 H3N2G G AC
CY000823 A/New York/148/2000
2000 H3N2
C C G
CY000471 A/New York/150/2000
2000 H3N2G G G C
C C G
CY001142 A/New York/152/2000
2000 H3N2G G G C
C C G
CY000615 A/New York/154/2000
2000 H3N2
C C G
CY001403 A/New York/156/2000
2000 H3N2G G G C
C C G
CY000839 A/New York/158/2000
2000 H3N2G G G C
C C G
CY000987 A/New York/160/2000
2000 H3N2G G G C
C C G
CY001251 A/New York/162/2000
2000 H3N2G G G C
C C G
CY001003 A/New York/165/2000
2000 H3N2G G G C
C C G
CY000815 A/New York/166/2000
2000 H3N2G G G C
C C G
CY000847 A/New York/168/2000
2000 H3N2
C C G
CY000663 A/New York/169/2000
2000 H3N2
C C G
CY000671 A/New York/170/2000
2000 H3N2G G G C
CY000695 A/New York/173/2000
2000 H3N2
CY000703 A/New York/174/2000
2000 H3N2G G G C
C C G
CY000711 A/New York/175/2000
2000 H3N2G G G C
C C G
CY000719 A/New York/176/2000
2000 H3N2G G G C
C C G
CY000855 A/New York/178/2000
2000 H3N2G G G C
C C G
CY000743 A/New York/180/2000
2000 H3N2G G G C
C C G
CY001283 A/New York/182/2000
2000 H3N2
CY001371 A/New York/187/2000
2000 H3N2G G G C
C C G
CY002646 A/New York/233/2000
2000 H1N1
CY002654 A/New York/234/2000
2000 H1N1
CY003815 A/New York/429/2000
2000 H3N2G G G C
C C G
CY003454 A/New York/430/2000
2000 H3N2G G G C
C C G
CY003246 A/New York/431/2000
2000 H3N2G G G C
C C G
CY003823 A/New York/432/2000
2000 H3N2G G G C
C C G
CY003254 A/New York/433/2000
2000 H3N2G G G C
C C G
CY003262 A/New York/434/2000
2000 H3N2G G G C
C C G
CY006665 A/New York/435/2000
2000 H3N2G G AC
CY003270 A/New York/436/2000
2000 H3N2G G G C
C C G
CY003278 A/New York/437/2000
2000 H3N2G G G C
C C G
CY003286 A/New York/438/2000
2000 H3N2G G G C
C C G
CY003462 A/New York/439/2000
2000 H3N2G G G C
CY003831 A/New York/440/2000
2000 H3N2G G G C
C C G
CY009778 A/South Canterbury/31/2000
2000 H1N1
CY009210 A/South Canterbury/35/2000
2000 H1N1
CY009786 A/South Canterbury/40/2000
2000 H1N1
CY009178 A/South Canterbury/50/2000
2000 H1N1
CY009842 A/South Canterbury/59/2000
2000 H1N1
CY009114 A/Canterbury/179/1999
1999 H3N2G G G C
C C G
AJ293921 A/Hong Kong/1774/99
1999 H3N2
CY002118 A/Memphis/59/99
1999 H3N2G G G C
C C G
CY001126 A/New York/137/1999
1999 H3N2G G AC
CY000995 A/New York/138/1999
1999 H3N2G G AC
CY001355 A/New York/139/1999
1999 H3N2G G G C
C C G
CY002518 A/New York/140/1999
1999 H3N2G G G C
C C G
CY000807 A/New York/141/1999
1999 H3N2G G G C
CY000639 A/New York/143/1999
1999 H3N2G G G C
C C G
CY001387 A/New York/145/1999
1999 H3N2G G AC
CY000599 A/New York/147/1999
1999 H3N2
C C G
CY000463 A/New York/149/1999
1999 H3N2G G G C
C C G
CY000607 A/New York/151/1999
1999 H3N2G G G C
C C G
CY002318 A/New York/153/1999
1999 H3N2G G G C
C C G
CY001451 A/New York/155/1999
1999 H3N2
C C G
CY000831 A/New York/157/1999
1999 H3N2G G G C
C C G
CY000623 A/New York/161/1999
1999 H3N2G G G C
C C G
CY000647 A/New York/163/1999
1999 H3N2G G G C
C C G
CY001275 A/New York/164/1999
1999 H3N2G G G C
C C G
CY000655 A/New York/167/1999
1999 H3N2G G G C
C C G
CY000679 A/New York/171/1999
1999 H3N2G G G C
C C G
CY000687 A/New York/172/1999
1999 H3N2
C C G
CY000727 A/New York/177/1999
1999 H3N2G G G C
C C G
CY000735 A/New York/179/1999
1999 H3N2G G G C
C C G
CY001182 A/New York/181/1999
1999 H3N2G G G C
C C G
CY001363 A/New York/183/1999
1999 H3N2G G G C
C C G
CY001459 A/New York/184/1999
1999 H3N2G G G C
C C G
CY000751 A/New York/185/1999
1999 H3N2G G G C
C C G
CY000863 A/New York/186/1999
1999 H3N2G G G C
C C G
CY001534 A/New York/188/1999
1999 H3N2
C C G
CY001011 A/New York/189/1999
1999 H3N2G G G C
C C G
CY001694 A/New York/248/1999
1999 H3N2G G G C
CY002558 A/New York/252/1999
1999 H3N2G G G C
A G A A C T T C G
CY001582 A/New York/253/1999
1999 H3N2G G G C
A G A A C T T C G
CY001702 A/New York/255/1999
1999 H3N2G G G C
A G A A C T T C G
CY001710 A/New York/257/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY001598 A/New York/259/1999
1999 H3N2G G G C
A G A A C T T C G
CY001966 A/New York/260/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY002566 A/New York/261/1999
1999 H3N2
C C G
A G A A C T T C G
CY001606 A/New York/262/1999
1999 H3N2G G G C
A G A A C T T C G
CY001419 A/New York/263/1999
1999 H3N2
CY001614 A/New York/264/1999
1999 H3N2G G G C
A G A A C T T C G
CY001622 A/New York/265/1999
1999 H3N2
CY002342 A/New York/266/1999
1999 H3N2G G G C
C C G
CY001750 A/New York/277/1999
1999 H3N2G G G C
C C G
CY001974 A/New York/278/1999
1999 H3N2
CY001758 A/New York/279/1999
1999 H3N2G G G C
A G A A C T T C G
CY001766 A/New York/280/1999
1999 H3N2G G G C
A G A A C T T C G
CY001774 A/New York/282/1999
1999 H3N2G G G C
CY002142 A/New York/283/1999
1999 H3N2G G G C
C C G
CY001662 A/New York/284/1999
1999 H3N2G G G C
C C G
CY002150 A/New York/285/1999
1999 H3N2G G G C
A G A A C T T C G
CY001670 A/New York/286/1999
1999 H3N2G G G C
CY001782 A/New York/288/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY001798 A/New York/290/1999
1999 H3N2G G G C
A G A A C T T C G
CY001814 A/New York/311/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY001830 A/New York/314/1999
1999 H3N2G G G C
A G A A C T T C G
CY001838 A/New York/315/1999
1999 H3N2
CY002166 A/New York/316/1999
1999 H3N2
CY001846 A/New York/317/1999
1999 H3N2G G G C
CY001854 A/New York/318/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY001862 A/New York/320/1999
1999 H3N2G G G C
A G A A C T T C G
CY001870 A/New York/321/1999
1999 H3N2G G G C
A G A A C T T C G
CY002174 A/New York/322/1999
1999 H3N2G G G C
CY001878 A/New York/323/1999
1999 H3N2G G G C
A G A A C T T C G
CY001982 A/New York/324/1999
1999 H3N2
CY002374 A/New York/325/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY007641 A/New York/326/1999
1999 H3N2G G G C
A G A A C T T C G
CY001886 A/New York/327/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY001894 A/New York/329/1999
1999 H3N2G G G C
C C G
CY001990 A/New York/331/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY001998 A/New York/332/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY001902 A/New York/333/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY001910 A/New York/335/1999
1999 H3N2G G G C
CY001918 A/New York/336/1999
1999 H3N2G G G C
CY001926 A/New York/337/1999
1999 H3N2G G G C
C C G
CY001934 A/New York/338/1999
1999 H3N2G G G C
A G A A C T T C G
CY002582 A/New York/339/1999
1999 H3N2G G G C
C C G
CY001942 A/New York/340/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY002302 A/New York/347/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY006169 A/New York/397/1999
1999 H3N2G G G C
A G A A C T T C G
CY002310 A/New York/398/1999
1999 H3N2
A G A A C T T C G
CY003438 A/New York/421/1999
1999 H3N2G G G C
C C G
CY003791 A/New York/422/1999
1999 H3N2
C C G
CY003799 A/New York/423/1999
1999 H3N2G G AC
CY003222 A/New York/424/1999
1999 H3N2G G G C
C C G
CY003446 A/New York/425/1999
1999 H3N2G G G C
C C G
CY003230 A/New York/426/1999
1999 H3N2G G G C
C C G
CY003238 A/New York/427/1999
1999 H3N2G G G C
C C G
CY003807 A/New York/428/1999
1999 H3N2G G G C
CY003574 A/New York/449/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY003582 A/New York/450/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY003590 A/New York/451/1999
1999 H3N2G G G C
A G A A C T T C G
CY006066 A/New York/452/1999
1999 H3N2
C C G
CY003598 A/New York/453/1999
1999 H3N2G G G C
CY003606 A/New York/454/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY006074 A/New York/455/1999
1999 H3N2G G AC
C C A
A A A A T T T T G
CY003614 A/New York/456/1999
1999 H3N2
CY003622 A/New York/457/1999
1999 H3N2G G G C
C C G
A G A A C T T C G
CY003630 A/New York/458/1999
1999 H3N2
CY003638 A/New York/459/1999
1999 H3N2G G G C
A G A A C T T C G
CY006905 A/New York/460/1999
1999 H3N2
C C G
AF258526 A/Hong Kong/427/98
1998 H1N1
CY001574 A/New York/224/1998
1998 H3N2G G G C
CY001483 A/New York/240/1998
1998 H3N2G G G C
A G A A C T T C G
CY001510 A/New York/247/1998
1998 H3N2
C C G
CY001491 A/New York/249/1998
1998 H3N2G G G C
C C G
A G A A C T T C G
CY001499 A/New York/250/1998
1998 H3N2
CY002550 A/New York/251/1998
1998 H3N2G G AC
C C G
CY002126 A/New York/254/1998
1998 H3N2G G G C
A G A A C T T C G
CY001590 A/New York/256/1998
1998 H3N2G G G C
C C G
A G A A C T T C G
CY001678 A/New York/287/1998
1998 H3N2
CY001790 A/New York/289/1998
1998 H3N2
C C G
CY001806 A/New York/304/1998
1998 H3N2G G G C
C C G
A G A A C T T C G
CY001822 A/New York/313/1998
1998 H3N2G G G C
CY002382 A/New York/328/1998
1998 H3N2G G G C
A G A A C T T C G
CY002390 A/New York/330/1998
1998 H3N2G G G C
C C G
A G A A C T T C G
CY003566 A/New York/448/1998
1998 H3N2
C C G
CY008186 A/New York/502/1998
1998 H3N2
C C G
A A A A T T T T G
CY008930 A/New York/504/1998
1998 H3N2G G G C
C C G
A A A A T T T T G
CY006793 A/New York/506/1998
1998 H3N2G G AC
C C G
CY006257 A/New York/510/1998
1998 H3N2G G G C
C C G
A A A A T T T T G
CY006465 A/New York/512/1998
1998 H3N2G G G C
C C G
A A A A T T T T G
CY008946 A/New York/514/1998
1998 H3N2G G G C
A A A A T T T T G
CY006289 A/New York/517/1998
1998 H3N2G G AC
C C A
A A A A T T T T G
CY006481 A/New York/518/1998
1998 H3N2G G AC
C C A
A A A A T T T T G
CY006489 A/New York/519/1998
1998 H3N2G G G C
A A A A T T T T G
CY006497 A/New York/520/1998
1998 H3N2G G AC
C C A
CY006505 A/New York/521/1998
1998 H3N2G G AC
C C A
A A A A T T T T G
CY006521 A/New York/523/1998
1998 H3N2G G G C
C C G
A A A A T T T T G
CY006537 A/New York/525/1998
1998 H3N2
C C A
CY006801 A/New York/527/1998
1998 H3N2
C C A
CY006545 A/New York/528/1998
1998 H3N2
C C A
CY008954 A/New York/529/1998
1998 H3N2
C C A
CY008962 A/New York/530/1998
1998 H3N2G G G C
C C G
A A A A T T T T G
CY006553 A/New York/531/1998
1998 H3N2G G G C
C C G
A A A A T T T T G
CY006561 A/New York/532/1998
1998 H3N2
C C A
CY006569 A/New York/533/1998
1998 H3N2
C C A
CY006577 A/New York/534/1998
1998 H3N2
C C G
A A A A T T T T G
CY006777 A/New York/535/1998
1998 H3N2
C C A
A A A A T T T T G
CY009994 A/New York/536/1998
1998 H3N2
C C A
CY006809 A/New York/538/1998
1998 H3N2
C C A
CY006585 A/New York/539/1998
1998 H3N2G G AC
C C A
A A A A T T T T G
CY008970 A/New York/540/1998
1998 H3N2
CY006593 A/New York/541/1998
1998 H3N2G G AC
C C A
A A A A T T T T G
CY006601 A/New York/542/1998
1998 H3N2G G G C
C C G
A A A A T T T T G
CY006609 A/New York/543/1998
1998 H3N2G G G C
A A A A T T T T G
CY008538 A/New York/544/1998
1998 H3N2G G G C
A A A A T T T T G
CY006625 A/New York/546/1998
1998 H3N2G G AC
CY006641 A/New York/548/1998
1998 H3N2
C C A
A A A A T T T T G
CY008978 A/New York/549/1998
1998 H3N2G G G C
C C G
A A A A T T T T G
CY008986 A/New York/550/1998
1998 H3N2
C C A
AF342823 A/Wisconsin/10/98
1998 H1N1
C C A
AF258822 A/Hong Kong/497/97
1997 H3N2G G AC
C C A
A A A A T T T T G HK/498/97
AF258823 A/Hong Kong/498/97
1997 H3N2G G AC
C C A
A A A A T T T T G
CY006449 A/New York/501/1997
1997 H3N2
C C A
CY006233 A/New York/503/1997
1997 H3N2G G G C
C C G
A A A A T T T T G
CY006241 A/New York/505/1997
1997 H3N2G G AC
C C G
A A A A T T T T G
CY008938 A/New York/507/1997
1997 H3N2G G G C
C C G
A A A A T T T T G
CY006249 A/New York/508/1997
1997 H3N2G G G C
C C G
A A A A T T T T G
CY006457 A/New York/509/1997
1997 H3N2G G G C
A A A A T T T T G
CY006265 A/New York/511/1997
1997 H3N2G G G C
C C G
A A A A T T T T G
CY006273 A/New York/513/1997
1997 H3N2G G G C
C C G
A A A A T T T T G
CY006281 A/New York/515/1997
1997 H3N2G G G C
C C G
A A A A T T T T G
CY006473 A/New York/516/1997
1997 H3N2G G G C
C C G
CY006513 A/New York/522/1997
1997 H3N2G G AC
C C A
A A A A T T T T G
CY006529 A/New York/524/1997
1997 H3N2G G G C
C C G
A A A A T T T T G
CY007985 A/New York/526/1997
1997 H3N2G G G C
C C G
A A A A T T T T G
CY006617 A/New York/545/1997
1997 H3N2
C C A
A A A A T T T T G
CY006633 A/New York/547/1997
1997 H3N2G G G C
C C G
A A A A T T T T G
CY009650 A/New York/558/1997
1997 H3N2
A A A A T T T T G
CY009466 A/New York/560/1997
1997 H3N2
CY009474 A/New York/564/1997
1997 H3N2
CY009658 A/New York/566/1997
1997 H3N2
CY009490 A/New York/569/1997
1997 H3N2G G AC
C C A
A A A A T T T T G
CY009682 A/New York/576/1997
1997 H3N2
CY009522 A/New York/579/1997
1997 H3N2
CY009698 A/New York/581/1997
1997 H3N2
CY009530 A/New York/583/1997
1997 H3N2
CY009706 A/New York/585/1997
1997 H3N2
C C A
CY009754 A/New York/597/1997
1997 H3N2G G AC
C C A
A A A G T T T T G
AF483601 A/Paris/908/97
1997 H3N2
A A A G T T T T G
AF037423 A/Shiga/25/97
1997 H3N2
C C A
A A A G T T T T G
AF037421 A/Fukushima/114/96
1996 H3N2
FU/114/96
AF037422 A/Fukushima/140/96
1996 H3N2G G AC
C C A
CY010610 A/New York/561/1996
1996 H3N2G G AC
C C A
CY010002 A/New York/562/1996
1996 H3N2
C C A
A A A G T T T T G
CY010010 A/New York/563/1996
1996 H3N2G G AC
C C A
A A A G T T T T G
CY009482 A/New York/565/1996
1996 H3N2
CY010018 A/New York/567/1996
1996 H3N2G G AC
C C A
A A A G T T T T G
CY009666 A/New York/568/1996
1996 H3N2G G AC
C C A
CY009498 A/New York/570/1996
1996 H3N2G G AC
C C A
CY010594 A/New York/572/1996
1996 H3N2
CY009506 A/New York/573/1996
1996 H3N2G G AC
A A A G T T T T G
CY009674 A/New York/574/1996
1996 H3N2
CY009514 A/New York/575/1996
1996 H3N2
CY010602 A/New York/578/1996
1996 H3N2G G AC
A A A G T T T T G
CY009690 A/New York/580/1996
1996 H3N2G G AC
C C A
A A A G T T T T G
CY010026 A/New York/582/1996
1996 H3N2G G AC
C C A
A A A G T T T T G
CY009906 A/New York/584/1996
1996 H3N2
C C A
CY009714 A/New York/586/1996
1996 H3N2G G AC
C C A
A A A G T T T T G
CY009722 A/New York/587/1996
1996 H3N2
CY009730 A/New York/588/1996
1996 H3N2G G AC
C C A
CY009738 A/New York/589/1996
1996 H3N2G G AC
C C A
A A A G T T T T G
CY009746 A/New York/590/1996
1996 H3N2
CY010034 A/New York/591/1996
1996 H3N2G G AC
C C A
A A A G T T T T G
CY010042 A/New York/592/1996
1996 H3N2
CY009914 A/New York/593/1996
1996 H3N2
C C A
A A A G T T T T G
CY010050 A/New York/594/1996
1996 H3N2
CY010058 A/New York/595/1996
1996 H3N2G G AC
C C A
CY010066 A/New York/596/1996
1996 H3N2G G AC
C C A
A A A G T T T T G
CY010074 A/New York/600/1996
1996 H3N2
CY010618 A/New York/603/1996
1996 H3N2G G AC
C C A
A A A G T T T T G
CY010634 A/New York/608/1996
1996 H3N2
CY010674 A/New York/613/1996
1996 H3N2
CY010522 A/New York/617/1996
1996 H3N2
CY010690 A/New York/619/1996
1996 H3N2
A A A G T T T T G
CY010698 A/New York/622/1996
1996 H3N2
A A A G T T T T G
CY010706 A/New York/625/1996
1996 H3N2
CY010722 A/New York/631/1996
1996 H3N2
CY010730 A/New York/634/1996
1996 H3N2
C C A
CY010738 A/New York/637/1996
1996 H3N2
C C A
A A A G T T T T G
CY010754 A/New York/648/1996
1996 H3N2
C C A
A A A G T T T T G
AF037420 A/Niigata/137/96
1996 H3N2
U71129
A/Akita/1/95
1995 H3N2
A A A G T T T T G
AF398865 A/Charlottesville/31/95
1995 H1N1
CY002278 A/Memphis/24/95
1995 H3N2
C C A
A A A G T T T T G
U71131
A/Miyagi/29/95
1995 H3N2
C C A
CY010490 A/New York/604/1995
1995 H1N1
CY010498 A/New York/605/1995
1995 H1N1
CY010626 A/New York/606/1995
1995 H3N2
C C A
A A A G T T T T G
CY010506 A/New York/607/1995
1995 H1N1
CY010642 A/New York/609/1995
1995 H3N2
C C A
A A A G T T T T G
CY010650 A/New York/610/1995
1995 H3N2
C C A
A A A G T T T T G
CY010658 A/New York/611/1995
1995 H3N2
CY010666 A/New York/612/1995
1995 H3N2
CY010514 A/New York/615/1995
1995 H1N1
CY010682 A/New York/618/1995
1995 H3N2
CY010530 A/New York/620/1995
1995 H1N1
CY010538 A/New York/621/1995
1995 H1N1
CY010546 A/New York/627/1995
1995 H1N1
CY010714 A/New York/628/1995
1995 H3N2
CY010746 A/New York/644/1995
1995 H1N1
U71130
A/Shiga/20/95
1995 H3N2
C C A
AF037419 A/Tochigi/44/95
1995 H3N2
C C A
A A A G T T T T G
U71128
A/Akita/1/94
1994 H3N2
A A A G T T T T G
CY006345 A/Nanchang/0058/94
1994 H3N2
C C A
A A A G T T T T G
CY003758 A/Nanchang/0074/94
1994 H3N2
C C A
A A A G T T T T G
CY007841 A/Nanchang/A1/94
1994 H3N2
C C A
A A A G T T T T G
CY006337 A/Nanchang/A2/94
1994 H3N2
C C A
A A A G T T T T G
AF037418 A/Kitakyushu/159/93
1993 H3N2
CY009018 A/Nanchang/12/93
1993 H3N2
C C A
A A A G T T T T G
CY006353 A/Nanchang/58/93
1993 H3N2
C C A
A A A G T T T T G
CY003718 A/Hong Kong/14/92
1992 H3N2
C C A
CY009322 A/Texas/36/91
1991 H1N1
CY003070 A/Memphis/1/90
1990 H3N2
A A A G T T T T G
CY008746 A/Memphis/7/90
1990 H3N2
CY003518 A/Hong Kong/2/88
1988 H3N2
CY003358 A/Memphis/13/88
1988 H3N2
Nature Precedings : hdl:10101/npre.2007.385.1 : Posted 7 Jul 2007
CY008738 A/Memphis/15/88
1988 H3N2
CY008730 A/Memphis/5/88
1988 H3N2
M25936
A/Memphis/8/88
1988 H3N2
M25934
A/Wisconsin/3523/88
1988 H1N1
CY003550 A/Hong Kong/7/87
1987 H3N2
CY002758 A/Memphis/1/86
1986 H3N2
CY008722 A/Memphis/11/86
1986 H3N2
CY002094 A/Memphis/66/86
1986 H3N2
CY003526 A/Hong Kong/24/85
1985 H3N2
CY003510 A/Hong Kong/6/85
1985 H3N2
CY003542 A/Hong Kong/7/85
1985 H3N2
CY009074 A/Memphis/2/85
1985 H3N2
CY008674 A/Memphis/25/85
1985 H3N2
CY008458 A/Memphis/5/85
1985 H3N2
CY008714 A/Memphis/7/85
1985 H3N2
CY006329 A/Hong Kong/4/84
1984 H3N2
CY003750 A/Hong Kong/7/84
1984 H3N2
CY008178 A/Nanjing/28/84
1984 H3N2
AJ564807 A/Fiji/15899/83
1983 H1N1
CY003726 A/Hong Kong 26/83
1983 H3N2
CY006321 A/Hong Kong/14/83
1983 H3N2
CY003742 A/Hong Kong/5/83
1983 H3N2
CY009058 A/Memphis/33/83
1983 H3N2
CY006857 A/Nanjing/36/83
1983 H3N2
CY010370 A/Baylor/11515/82
1982 H1N1
CY009626 A/Baylor/11735/82
1982 H1N1
CY006058 A/Hong Kong/1/82
1982 H3N2
CY006761 A/Nanjing/2/82
1982 H3N2
CY007633 A/Memphis/1/81
1981 H3N2
CY006105 A/Hong Kong/45/80
1980 H3N2
CY003494 A/Hong Kong/46/80
1980 H3N2
CY008666 A/Memphis/1/80
1980 H3N2
CY008474 A/Memphis/3/80
1980 H3N2
CY007625 A/Memphis/4/80
1980 H3N2
CY006897 A/Memphis/9/80
1980 H3N2
CY006209 A/Nanjing/13/80
1980 H3N2
M38376
A/Kiev/59/79
1979 H1N1
CY006705 A/Memphis/12/78
1978 H3N2
CY006713 A/Memphis/18/78
1978 H3N2
CY007617 A/Memphis/19/78
1978 H3N2
CY006697 A/Memphis/2/78
1978 H3N2
CY009298 A/Hong Kong/117/77
1977 H1N1
CY006737 A/Memphis/1/77
1977 H3N2
CY008121 A/Memphis/2/77
1977 H3N2
CY006745 A/Memphis/3/77
1977 H3N2
CY008129 A/Memphis/4/77
1977 H3N2
CY006849 A/Memphis/5/77
1977 H3N2
CY006769 A/Nanjing/49/77
1977 H3N2
CY010378 A/USSR/90/77
1977 H1N1
CY009290 A/USSR/92/77
1977 H1N1
CY006889 A/Memphis/103/76
1976 H3N2
CY009066 A/Memphis/105/76
1976 H3N2
CY008698 A/Memphis/106/76
1976 H3N2
CY008706 A/Memphis/108/76
1976 H3N2
CY006841 A/Memphis/110/76
1976 H3N2
CY006729 A/Memphis/137/76
1976 H3N2
CY006050 A/Beijing/39/75
1975 H3N2
CY003734 A/Hong Kong/43/75
1975 H3N2
CY003502 A/Hong Kong/14/74
1974 H3N2
CY006913 A/Hong Kong/49/74
1974 H3N2
CY006721 A/Memphis/101/74
1974 H3N2
CY006825 A/Memphis/102/74
1974 H3N2
CY006833 A/Memphis/103/74
1974 H3N2
M74899
A/Dunedin/4/73
1973 N2
CY003534 A/Hong Kong/11/73
1973 H3N2
CY009010 A/Hong Kong/33/73
1973 H3N2
CY006817 A/Memphis/3/73
1973 H3N2
CY009354 A/Port Chalmers/73
1973 H3N2
AY210283 A/England/42/72
1972 H3N2
CY009362 A/England/72
1972 H3N2
CY007977 A/Guandong/243/72
1972 H3N2
CY006313 A/Hong Kong/50/72
1972 H3N2
CY003558 A/Hong Kong/6/72
1972 H3N2
CY008682 A/Memphis/101/72
1972 H3N2
CY002102 A/Memphis/102/72
1972 H3N2
CY008466 A/Memphis/103/72
1972 H3N2
CY008690 A/Memphis/105/72
1972 H3N2
CY002750 A/Memphis/109/72
1972 H3N2
AY210284 A/Tokyo/31/72
1972 H3N2
CY009642 A/Udorn/72
1972 H3N2
AY210280 A/Caracas/1/71
1971 H3N2
AY210281 A/Chiba/5/71
1971 H3N2
CY006689 A/Hong Kong/46/71
1971 H3N2
CY002502 A/Memphis/1/71
1971 H3N2
CY006225 A/Memphis/2/71
1971 H3N2
AY210279 A/Taiwan/3/71
1971 H3N2
AY210277 A/Canada/2/70
1970 H3N2
AY210278 A/Queensland/7/70
1970 H3N2
AY210282 A/Taiwan/2/70
1970 H3N2
AY210274 A/England/878/69
1969 H3N2
AJ564806 A/England/939/69
1969 H3N2
CY006305 A/Hong Kong/3/69
1969 H3N2
AY210275 A/Rio/6/69
1969 H3N2
AY210276 A/Taiwan/1/69
1969 H3N2
CY008162 A/Beijing/1/68
1968 H3N2
AY210025 A/Berkeley/1/68
1968 H2N2
AF348172 A/Hong Kong/1/68
1968 H3N2
AY210273 A/Hong Kong/16/68
1968 H3N2
M25935
A/Korea/426/68
1968 H2N2
CY006217 A/Memphis/1/68
1968 H3N2
J02138
A/NT/60/68
1968 H3N2
AY210271 A/Panama/1/68
1968 H3N2
AY210272 A/USSR/039/68
1968 H3N2
AY210024 A/Ann Arbor/7/67
1967 H2N2
AY210021 A/England/10/67
1967 H2N2
AY210022 A/Georgia/1/67
1967 H2N2
AY210023 A/Tokyo/3/67
1967 H2N2
AY210019 A/California/1/66
1966 H2N2
AY210020 A/Panama/1/66
1966 H2N2
AY210016 A/Albany/1/65
1965 H2N2
AY210017 A/Kumamoto/1/65
1965 H2N2
AY210018 A/Pittsburgh/2/65
1965 H2N2
AY210015 A/Murakami/4/64
1964 H2N2
AY210014 A/Japan/170/62
1962 H2N2
AY210013 A/Panama/1/61
1961 H2N2
AY210012 A/Ann Arbor/6/60
1960 H2N2
AY210011 A/Victoria/15681/59
1959 H2N2
AY210010 A/Albany/6/58
1958 H2N2
AY210008 A/Chile/13/57
1957 H2N2
CY008994 A/Denver/57
1957 H1N1
M81580
A/Leningrad/134/17/57
1957 H2N2
M81586
A/Leningrad/134/47/57
1957 H2N2
M81574
A/Leningrad/134/57
1957 H2N2
AY210009 A/Singapore/1/57
1957 H2N2
M25932
A/Beijing/11/56
1956 H1N1
CY009370 A/Connecticut/9/56
1956 H1N1
CY009346 A/Malaysia/54
1954 H1N1
CY009338 A/Fort Worth/50
1950 H1N1
CY009618 A/FortMonmouth/1/47
1947 H1N1
CY009602 A/Cam/46
1946 H1N1
CY009458 A/Weiss/43
1943 H1N1
CY009282 A/Bellamy/42
1942 H1N1
CY009330 A/Melbourne/35
1935 H1N1
CY009450 A/Puerto Rico/8/34
1934 H1N1
CY009610 A/Wilson-Smith/33
1933 H1N1
J02178
A/wsn/33
1933 H1N1
DQ208310 A/Brevig Mission/1/1918
1918 H1N1
Swine PB1
AY790273 A/swine/Korea/S10/2004
2004 H1N1
AY790287 A/swine/Korea/S109/2004
2004 H9N2
AY790295 A/swine/Korea/S175/2004
2004 H1N1
AY790303 A/swine/Korea/S190/2004
2004 H9N2
AY790312 A/swine/Korea/S452/2004
2004 H9N2
AY790281 A/swine/Korea/S81/2004
2004 H9N2
AY790318 A/swine/Korea/S83/2004
2004 H9N2
DQ145544 A/swine/Minnesota/00395/2004
2004 H3N1
DQ280246 A/swine/Ontario/11112/04
2004 H1N1
SW/ON/11112/04
DQ280238 A/swine/Ontario/23866/04
2004 H1N1
SW/ON/23866/04
DQ280230 A/swine/Ontario/48235/04
2004 H1N2
G G AC
C C A
A A A G T T T T G SW/ON/48235/04
DQ280206 A/swine/Ontario/55383/04
2004 H1N2
C C A
SW/ON/55383/04
CY010586 A/swine/Spain/53207/2004
2004 H1N1
CY010570 A/swine/Spain/54008/2004
2004 H3N2
DQ139327 A/swine/Zhejiang/1/2004
2004 H1N2
DQ280198 A/swine/Alberta/56626/03
2003 H1N1
AY747615 A/swine/Fujian/1/2003
2003 H5N1
DQ280222 A/swine/Ontario/52156/03
2003 H1N2G G G C
C C G
DQ280214 A/swine/Ontario/53518/03
2003 H1N1
SW/ON/53518/03
DQ280190 A/swine/Ontario/57561/03
2003 H1N1
AY700214 A/swine/Shandong/2/03
2003 H5N1
CY009898 A/swine/Spain/50047/2003
2003 H1N1
CY010578 A/swine/Spain/51915/2003
2003 H1N1
AY363489 A/swine/Hong Kong/1144/02
2002 H3N2
AY363490 A/swine/Hong Kong/1197/02
2002 H3N2
AY363481 A/swine/Hong Kong/1212/02
2002 H3N2
AY363480 A/swine/Hong Kong/411/02
2002 H3N2G G G C
C C A
AY363479 A/swine/Hong Kong/74/02
2002 H3N2G G G C
C C A
AY129162 A/Swine/Korea/CY02/02
2002 H1N2
C C A
AY619955 A/Swine/Saskatchewan/18789/02 2002 H1N1
CY009386 A/swine/Spain/39139/2002
2002 H3N2
AY747623 A/swine/Fujian/F1/2001
2001 H5N1
AY363477 A/swine/Hong Kong/1311/01
2001 H3N2
AY363476 A/swine/Hong Kong/9285/01
2001 H3N2
C C G
AY363487 A/swine/Hong Kong/9296/01
2001 H3N2
AY363488 A/swine/Hong Kong/9745/01
2001 H3N2
AY363478 A/swine/Hong Kong/9840/01
2001 H3N2
AF455730 A/Swine/Illinois/100084/01
2001 H1N2
AF455729 A/Swine/Illinois/100085A/01
2001 H1N2
AF455727 A/Swine/Iowa/930/01
2001 H1N2
AF455725 A/Swine/North Carolina/93523/01 2001 H1N2
AF455724 A/Swine/North Carolina/98225/01 2001 H1N2
AF455723 A/Swine/Ohio/891/01
2001 H1N2
AY619971 A/Swine/Ontario/42729A/01
2001 H3N3
AY619963 A/Swine/Ontario/K01477/01
2001 H3N3
CY009378 A/swine/Spain/33601/2001
2001 H3N2
AJ306859 A/swine/Cotes d'Armor/800/00
2000 H1N2
AY363475 A/swine/Hong Kong/312/00
2000 H3N2G G G C
C C G
AY363474 A/swine/Hong Kong/7220/00
2000 H3N2
C C G
AY363486 A/swine/Hong Kong/7982/00
2000 H3N2
AF455728 A/Swine/Indiana/P12439/00
2000 H1N2
AJ306858 A/swine/Italy/1081/00
2000 H1N2
AF455726 A/Swine/Minnesota/55551/00
2000 H1N2
C C A
AJ306869 A/swine/Cotes d'Armor/1482/99
1999 H1N1
AJ306856 A/swine/Cotes d'Armor/1488/99
1999 H1N1
AJ306863 A/swine/Cotes d'Armor/604/99
1999 H1N2
AJ306860 A/swine/Finisterre/127/99
1999 H3N2G G G C
C C G
AY363473 A/swine/Hong Kong/4361/99
1999 H3N2G G G C
C C G
AY363483 A/swine/Hong Kong/5190/99
1999 H3N2
AY363484 A/swine/Hong Kong/5200/99
1999 H3N2
AY363485 A/swine/Hong Kong/5212/99
1999 H3N2
AY363482 A/swine/Hong Kong/q066/99
1999 H3N2G G G C
C C G
AJ306866 A/swine/Ille et Vilaine/1455/99
1999 H1N1
AF250130 A/Swine/Indiana/9K035/99
1999 H1N2
SW/IN/9K035/99
AF251413 A/Swine/Iowa/533/99
1999 H3N2
C C A
AF251421 A/Swine/Iowa/569/99
1999 H3N2
C C A
AJ306867 A/swine/Italy/2064/99
1999 H1N2
AF251429 A/Swine/Minnesota/593/99
1999 H3N2
C C A
AF285891 A/Swine/Ontario/1911-1/99
1999 H4N6
AJ306864 A/swine/Cotes d'Armor/2433/98
1998 H1N2
AF222819 A/Swine/Hong Kong/10/98
1998 H9N2
AF400786 A/Swine/Hong Kong/2106/98
1998 H9N2
AF400764 A/Swine/Hong Kong/2405/98
1998 H3N2G G AC
A A A G T T T T G
AF400765 A/Swine/Hong Kong/2422/98
1998 H3N2G G G C
C C G
AF400766 A/Swine/Hong Kong/2429/98
1998 H3N2G G AC
C C A
A A A G T T T T G
AF222818 A/Swine/Hong Kong/9/98
1998 H9N2
AF153247 A/Swine/Iowa/8548-1/98
1998 H3N2
C C A
AJ306861 A/swine/Italy/1513-1/98
1998 H1N1
AJ306862 A/swine/Italy/1521/98
1998 H1N2
AJ311460 A/Swine/Italy/1523/98
1998 H3N2
AF153246 A/Swine/Minnesota/9088-2/98
1998 H3N2
C C A
AF251405 A/Swine/Nebraska/209/98
1998 H3N2
C C A
AF153244 A/Swine/North Carolina/35922/98 1998 H3N2
AF153245 A/Swine/Texas/4199-2/98
1998 H3N2
C C A
DQ280256 A/swine/Wisconsin/458/98
1998 H1N1
DQ280253 A/swine/Wisconsin/464/98
1998 H1N1
AJ306865 A/swine/Cotes d'Armor/790/97
1997 H1N2
AF251397 A/Swine/Ontario/00130/97
1997 H3N2
SW/ON/00130/97
AF225518 A/swine/Shizuoka/110/97
1997 H3N2G G AC
C C A
A A A G T T T T G
AF225519 A/swine/Shizuoka/115/97
1997 H3N2G G AC
C C A
AF225520 A/swine/Shizuoka/119/97
1997 H3N2G G AC
C C A
A A A G T T T T G
AF225521 A/swine/Shizuoka/120/97
1997 H3N2G G AC
C C A
A A A G T T T T G
DQ280260 A/swine/Wisconsin/125/97
1997 H1N1
DQ280257 A/swine/Wisconsin/238/97
1997 H1N1
AJ306868 A/swine/Scotland/410440/94
1994 H1N2
AJ311461 A/Swine/Cotes d'Armor/3633/84
1984 H3N2
AJ311462 A/Swine/Finistere/2899/82
1982 H1N1
M25927
A/Swine/Hong Kong/126/82
1982 H3N2
M25930
A/Swine/Ontario/2/81
1981 H1N1
CY009314 A/swine/Wisconsin/194/80
1980 H3N2
AF251390 A/Swine/Colorado/1/77
1977 H3N2
CY009306 A/swine/Colorado/1/77
1977 H3N2
CY009922 A/swine/Tennessee/25/77
1977 H1N1
M25931
A/Swine/Tennessee/26/77
1977 H1N1
CY009634 A/swine/31
1931 H1N1
M55472
A/Swine/Iowa/1976/31
1931 H1N1
PB2
DQ280245 A/swine/Ontario/11112/04
2004 H1N1
SW/ON/11112/04
DQ280237 A/swine/Ontario/23866/04
2004 H1N1
SW/ON/23866/04
DQ280229 A/swine/Ontario/48235/04
2004 H1N2
SW/ON/48235/04
DQ280205 A/swine/Ontario/55383/04
2004 H1N2
SW/ON/55383/04
DQ280197 A/swine/Alberta/56626/03
2003 H1N1
SW/AB/56626/03
DQ280213 A/swine/Ontario/53518/03
2003 H1N1
SW/ON/53518/03
DQ280189 A/swine/Ontario/57561/03
2003 H1N1
SW/ON/57561/03
AY129163 A/Swine/Korea/CY02/02
2002 H1N2
SW/KO/CY02/02
AF153240 A/Swine/North Carolina/35922/98 1998 H3N2
SW/NC/35922/98
M73513
A/Swine/Tennessee/24/77
1977 H1N1
SW/TN/24/77
PA
DQ280247 A/swine/Ontario/11112/04
2004 H1N1
SW/ON/11112/04
DQ280239 A/swine/Ontario/23866/04
2004 H1N1
SW/ON/23866/04
DQ280231 A/swine/Ontario/48235/04
2004 H1N2
SW/ON/48235/04
DQ280207 A/swine/Ontario/55383/04
2004 H1N2
SW/ON/55383/04
DQ280199 A/swine/Alberta/56626/03
2003 H1N1
SW/AB/56626/03
DQ280215 A/swine/Ontario/53518/03
2003 H1N1
SW/ON/53518/03
DQ280191 A/swine/Ontario/57561/03
2003 H1N1
SW/ON/57561/03
M26077
A/Swine/Tennessee/26/77
1977 H1N1
SW/TN/26/77
M55473
A/Swine/Iowa/1976/31
1931 H1N1
SW/IA/1976/31
HA
DQ280250 A/swine/Ontario/11112/04
2004 H1N1
SW/ON/11112/04
DQ280243 A/swine/Ontario/23866/04
2004 H1N1
SW/ON/23866/04
DQ280203 A/swine/Alberta/56626/03
2003 H1N1
SW/AB/56626/03
DQ280219 A/swine/Ontario/53518/03
2003 H1N1
SW/ON/53518/03
DQ280195 A/swine/Ontario/57561/03
2003 H1N1
SW/ON/57561/03
U53163
A/Wisconsin/4755/94
1994 H1N1
WI/4755/94
S67220
A/swine/Nebraska/1/92
1992 H1N1
SW/NE/1/92
U11857
A/swine/St-Hyacinthe
1991 H1N1
SW/SH/106/91
NP
DQ280249 A/swine/Ontario/11112/04
2004 H1N1
SW/ON/11112/04
DQ280241 A/swine/Ontario/23866/04
2004 H1N1
SW/ON/23866/04
DQ280233 A/swine/Ontario/48235/04
2004 H1N2
SW/ON/48235/04
DQ280206 A/swine/Ontario/55383/04
2004 H1N2
SW/ON/55383/04
DQ280201 A/swine/Alberta/56626/03
2003 H1N1
SW/AB/56626/03
DQ280217 A/swine/Ontario/53518/03
2003 H1N1
SW/ON/53518/03
DQ280193 A/swine/Ontario/57561/03
2003 H1N1
SW/ON/57561/03
AF455727 A/Swine/Iowa/930/01
2001 H1N2
SW/IA/930/01
NA
DQ280249 A/swine/Ontario/11112/04
2004 H1N1
SW/ON/11112/04
DQ280241 A/swine/Ontario/23866/04
2004 H1N1
SW/ON/23866/04
DQ280201 A/swine/Alberta/56626/03
2003 H1N1
SW/AB/56626/03
DQ280217 A/swine/Ontario/53518/03
2003 H1N1
SW/ON/53518/03
DQ280193 A/swine/Ontario/57561/03
2003 H1N1
SW/ON/57561/03
U53166
A/Wisconsin/4754/94
1994 H1N1
WI/4754/94
MP
DQ280252 A/swine/Ontario/11112/04
2004 H1N1
SW/ON/11112/04
DQ280244 A/swine/Ontario/23866/04
2004 H1N1
SW/ON/23866/04
DQ280234 A/swine/Ontario/48235/04
2004 H1N2
SW/ON/48235/04
DQ280210 A/swine/Ontario/55383/04
2004 H1N2
SW/ON/55383/04
DQ280204 A/swine/Alberta/56626/03
2003 H1N1
SW/AB/56626/03
DQ280220 A/swine/Ontario/53518/03
2003 H1N1
SW/ON/53518/03
DQ280196 A/swine/Ontario/57561/03
2003 H1N1
SW/ON/57561/03
AF153256 A/Swine/North Carolina/35922/98 1998 H3N2
SW/NC/35922/98
M63521
A/Wisconsin/3523/88
1988 H1N1
WI/3523/88
M63520
A/Swine/Ontario/2/81
1981 H1N1
SW/ON/2/81
NS
DQ280248 A/swine/Ontario/11112/04
2004 H1N1
SW/ON/11112/04
DQ280240 A/swine/Ontario/23866/04
2004 H1N1
SW/ON/23866/04
DQ280232 A/swine/Ontario/48235/04
2004 H1N2
SW/ON/48235/04
DQ280208 A/swine/Ontario/55383/04
2004 H1N2
SW/ON/55383/04
DQ280200 A/swine/Alberta/56626/03
2003 H1N1
SW/AB/56626/03
DQ280216 A/swine/Ontario/53518/03
2003 H1N1
SW/ON/53518/03
DQ280192 A/swine/Ontario/57561/03
2003 H1N1
SW/ON/57561/03
Nature Precedings : hdl:10101/npre.2007.385.1 : Posted 7 Jul 2007