Alphainfluenzavirus (taxid:197911)
VIRION

Molecular biology
Enveloped. Usually rounded but can be filamentous The virions are 80-120 nm in diameter.
GENOME
Segmented ssRNA(-) linear genome, encapsidated by nucleoprotein (NP). Contains 8 segments coding for 12-14 proteins depending on strains. Segments size range from 890 to 2,341nt. Genome total size is 13.5Kb
GENE EXPRESSION
Viral RNA polymerase (PB1, PB2 and PA) transcribes one mRNA from each genome segment.
Transcription is primed by cap cleaved from cellular mRNAS by Cap snatching.
mRNA are polyadenylated by the viral polymerase stuttering on a poly U track.
MP and NS mRNA can be alternately spliced, giving rise to mRNA coding for M2 and NEP proteins. Some strains can express M42 from the M segment .
PB1 mRNA encode three proteins by leaky scanning: PB1, N40
and PB1-F2
. Pa-X protein is translated by ribosomal frameshift on the PA gene. Leaky scanning may produces N-truncated PA proteins, namely PA-N155 and PA-N182
. PB2-S1 would be an alternative splicing from PB2 gene (unpublished 1/1/15)
.
ENZYMES
REPLICATION
video at XVIVO | Scientific Animation
NUCLEUS
- Virus attaches to sialic acid receptor though HA protein and is endocytosed by clathrins in the host cell.
- Endosome acidification induces fusion of the virus membrane with the vesicle membrane; encapsidated RNA segments migrate to the nucleus.
- Transcription of genomic segments by the viral polymerase produces mRNAs that are capped and polyadenylated by the viral polymerase.
- Replication of genomic segments.
- High level of M1 protein induces genomes segments export from nucleus by NEP protein.
- Virus assembly and budding occurs at the plasma membrane.
Influenza species tropism
It is generally accepted that human influenza viruses preferentially bind to host glycoproteins/glycolipids containing sialic acids in alpha 2,6 linkage, whereas avian influenza viruses bind to those containing sialic acids in alpha 2,3 linkage.
Recent studies have shown that the Human traches and alvoeli epithelial cells are mainly expressing alpha 2,6 sialic acids, when only alveoli are expressing alpha 2,3 sialic acids
. This could explain why avian viruses could succesfully infect humans only when breathed at high doses. Indeed the trachea and bronchioles are much easier to reach than the alveoli for aerial-transmitted virus.
These results are debated, and investigations are needed to understand the whole picture .
Influenza A virus (A/Hong Kong/1073/99(H9N2)) taxid:130760
Influenza A virus (strain A/Goose/Guangdong/1/1996 H5N1 genotype Gs/Gd) taxid:93838
Matching UniProtKB/Swiss-Prot entries
(all links/actions below point to uniprot.org website)1299 entries grouped by strain
13 entries
Influenza A virus (strain A/Goose/Guangdong/1/1996 H5N1 genotype Gs/Gd) reference strain
13 entries
Influenza A virus (strain A/Puerto Rico/8/1934 H1N1) reference strain
6 entries
Influenza A virus (strain A/Aichi/2/1968 H3N2) reference strain
13 entries
Influenza A virus (strain A/Brevig Mission/1/1918 H1N1) (Influenza A virus (strain A/South Carolina/1/1918 H1N1))
13 entries
Influenza A virus (strain A/Duck/Germany/1949 H10N7)
13 entries
Influenza A virus (strain A/Wilson-Smith/1933 H1N1) (Influenza A virus (strain A/WS/1933 H1N1))
12 entries
Influenza A virus (strain A/Beijing/39/1975 H3N2)
12 entries
Influenza A virus (strain A/Brazil/11/1978 H1N1)
12 entries
Influenza A virus (strain A/Chicken/Pennsylvania/1/1983 H5N2)
12 entries
Influenza A virus (strain A/Chicken/Scotland/1959 H5N1)
12 entries
Influenza A virus (strain A/Chile/1/1983 H1N1)
12 entries
Influenza A virus (strain A/China:Nanchang/11/1996 H1N1)
12 entries
Influenza A virus (strain A/Duck/Czechoslovakia/1956 H4N6)
12 entries
Influenza A virus (strain A/Duck/England/1/1956 H11N6)
12 entries
Influenza A virus (strain A/Duck/Hokkaido/8/1980 H3N8)
12 entries
Influenza A virus (strain A/Duck/Hong Kong/2986.1/2000 H5N1 genotype C)
12 entries
Influenza A virus (strain A/Grey teal/Australia/2/1979 H4N4)
12 entries
Influenza A virus (strain A/Gull/Maryland/704/1977 H13N6)
12 entries
Influenza A virus (strain A/Gull/Minnesota/945/1980 H13N6)
12 entries
Influenza A virus (strain A/Henry/1936 H1N1)
12 entries
Influenza A virus (strain A/Hickox/1940 H1N1)
12 entries
Influenza A virus (strain A/Hong Kong/1/1968 H3N2)
12 entries
Influenza A virus (strain A/Hong Kong/156/1997 H5N1 genotype Gs/Gd)
12 entries
Influenza A virus (strain A/Hong Kong/5/1983 H3N2)
12 entries
Influenza A virus (strain A/India/6263/1980 H1N1)
12 entries
Influenza A virus (strain A/Malaysia:Malaya/302/1954 H1N1)
12 entries
Influenza A virus (strain A/Memphis/1/1971 H3N2)
12 entries
Influenza A virus (strain A/Memphis/101/1972 H3N2)
12 entries
Influenza A virus (strain A/Memphis/110/1976 H3N2)
12 entries
Influenza A virus (strain A/Memphis/18/1978 H3N2)
12 entries
Influenza A virus (strain A/Memphis/2/1978 H3N2)
12 entries
Influenza A virus (strain A/Memphis/4/1980 H3N2)
12 entries
Influenza A virus (strain A/Port Chalmers/1/1973 H3N2)
12 entries
Influenza A virus (strain A/Russia:St.Petersburg/8/2006 H1N1)
12 entries
Influenza A virus (strain A/Seal/Massachusetts/1/1980 H7N7)
12 entries
Influenza A virus (strain A/Swine/Colorado/1/1977 H3N2)
12 entries
Influenza A virus (strain A/Swine/Wisconsin/1/1961 H1N1)
12 entries
Influenza A virus (strain A/Turkey/Ireland/1378/1983 H5N8)
12 entries
Influenza A virus (strain A/Turkey/Minnesota/833/1980 H4N2)
12 entries
Influenza A virus (strain A/Turkey/Ontario/6118/1968 H8N4)
12 entries
Influenza A virus (strain A/Turkey/Wisconsin/1/1966 H9N2)
12 entries
Influenza A virus (strain A/USA:Albany/12/1951 H1N1)
12 entries
Influenza A virus (strain A/USA:Huston/AA/1945 H1N1)
12 entries
Influenza A virus (strain A/USA:Iowa/1943 H1N1)
12 entries
Influenza A virus (strain A/USA:Memphis/10/1996 H1N1)
12 entries
Influenza A virus (strain A/USA:Phila/1935 H1N1)
12 entries
Influenza A virus (strain A/USSR/90/1977 H1N1)
11 entries
Influenza A virus (strain A/Ann Arbor/6/1960 H2N2)
11 entries
Influenza A virus (strain A/Chicken/Hong Kong/YU22/2002 H5N1 genotype Z)
11 entries
Influenza A virus (strain A/Chicken/Victoria/1/1985 H7N7)
11 entries
Influenza A virus (strain A/Memphis/102/1972 H3N2)
11 entries
Influenza A virus (strain A/New Zealand:South Canterbury/35/2000 H1N1)
11 entries
Influenza A virus (strain A/Singapore/1/1957 H2N2)
11 entries
Influenza A virus (strain A/Swine/Wisconsin/1/1967 H1N1)
11 entries
Influenza A virus (strain A/Udorn/307/1972 H3N2)
10 entries
Influenza A virus (strain A/Chicken/Hong Kong/31.2/2002 H5N1 genotype X1)
10 entries
Influenza A virus (strain A/Chicken/Hong Kong/715.5/2001 H5N1 genotype E)
10 entries
Influenza A virus (strain A/Chicken/Hong Kong/96.1/2002 H5N1 genotype Y)
10 entries
Influenza A virus (strain A/Fowl plague virus/Rostock/8/1934 H7N1)
10 entries
Influenza A virus (strain A/Japan/305/1957 H2N2)
10 entries
Influenza A virus (strain A/Korea/426/1968 H2N2)
10 entries
Influenza A virus (strain A/Mallard/New York/6750/1978 H2N2)
10 entries
Influenza A virus (strain A/Silky Chicken/Hong Kong/SF189/2001 H5N1 genotype A)
10 entries
Influenza A virus (strain A/Silky Chicken/Hong Kong/YU100/2002 H5N1 genotype X3)
10 entries
Influenza A virus (strain A/USA:Texas/UR06-0195/2007 H1N1)
9 entries
Influenza A virus (strain A/Chicken/Hong Kong/220/1997 H5N1 genotype Gs/Gd)
9 entries
Influenza A virus (strain A/Chicken/Shantou/4231/2003 H5N1 genotype V)
9 entries
Influenza A virus (strain A/England/878/1969 H3N2)
9 entries
Influenza A virus (strain A/Equine/Tennessee/5/1986 H3N8)
9 entries
Influenza A virus (strain A/Leningrad/134/17/1957 H2N2)
9 entries
Influenza A virus (strain A/Leningrad/134/1957 H2N2)
9 entries
Influenza A virus (strain A/Northern Territory/60/1968 H3N2) (Influenza A virus (strain NT60)) (Influenza A virus (strain A/NT/60/1968 H3N2))
9 entries
Influenza A virus (strain A/Qu/7/1970 H3N2)
9 entries
Influenza A virus (strain A/Tokyo/3/1967 H2N2)
9 entries
Influenza A virus (strain A/Turkey/Minnesota/501/1978 H6N8)
9 entries
Influenza A virus (strain A/Turkey/Ontario/7732/1966 H5N9)
9 entries
Influenza A virus (strain A/X-31 H3N2)
8 entries
Influenza A virus (strain A/Chicken/Hong Kong/37.4/2002 H5N1 genotype X2)
8 entries
Influenza A virus (strain A/Equine/Prague/1/1956 H7N7)
8 entries
Influenza A virus (strain A/Fort Monmouth/1/1947 H1N1)
8 entries
Influenza A virus (strain A/Hong Kong/212/2003 H5N1 genotype Z+)
8 entries
Influenza A virus (strain A/Leningrad/134/47/1957 H2N2)
8 entries
Influenza A virus (strain A/Swine/Iowa/15/1930 H1N1)
7 entries
Influenza A virus (strain A/Budgerigar/Hokkaido/1/1977 H4N6)
7 entries
Influenza A virus (strain A/Chicken/Brescia/1902 H7N7)
7 entries
Influenza A virus (strain A/Chicken/Hong Kong/FY150/2001 H5N1 genotype D)
7 entries
Influenza A virus (strain A/Chicken/Pennsylvania/1370/1983 H5N2)
7 entries
Influenza A virus (strain A/Equine/Jillin/1/1989 H3N8)
7 entries
Influenza A virus (strain A/Equine/London/1416/1973 H7N7)
7 entries
Influenza A virus (strain A/Goose/Guangxi/345/2005 H5N1 genotype G)
7 entries
Influenza A virus (strain A/Ruddy Turnstone/New Jersey/47/1985 H4N6)
7 entries
Influenza A virus (strain A/Shearwater/Australia/1972 H6N5)
6 entries
Influenza A virus (strain A/Chicken/Hong Kong/YU562/2001 H5N1 genotype B)
6 entries
Influenza A virus (strain A/Guinea fowl/Hong Kong/38/2002 H5N1 genotype X0)
6 entries
Influenza A virus (strain A/Kitakyushu/159/1993 H3N2)
6 entries
Influenza A virus (strain A/Turkey/Oregon/1971 H7N3)
5 entries
Influenza A virus (strain A/Chicken/Weybridge H7N7) (Influenza A virus (strain A/FPV/Weybridge H7N7))
5 entries
Influenza A virus (strain A/Equine/Alaska/1/1991 H3N8)
5 entries
Influenza A virus (strain A/Equine/Kentucky/2/1986 H3N8)
5 entries
Influenza A virus (strain A/Equine/New Market/1/1977 H7N7)
5 entries
Influenza A virus (strain A/Fort Warren/1/1950 H1N1)
5 entries
Influenza A virus (strain A/Gull/Maryland/1824/1978 H13N6)
5 entries
Influenza A virus (strain A/Gull/Massachusetts/26/1980 H13N6)
5 entries
Influenza A virus (strain A/Kiev/59/1979 H1N1)
5 entries
Influenza A virus (strain A/Leningrad/1/1954 H1N1)
5 entries
Influenza A virus (strain A/Memphis/8/1988 H3N2)
5 entries
Influenza A virus (strain A/Victoria/3/1975 H3N2)
4 entries
Influenza A virus (strain A/Beijing/353/1989 H3N2)
4 entries
Influenza A virus (strain A/Chicken/Germany/n/1949 H10N7)
4 entries
Influenza A virus (strain A/Equine/Kentucky/1/1981)
4 entries
Influenza A virus (strain A/Gull/Astrakhan/227/1984 H13N6)
4 entries
Influenza A virus (strain A/Herring gull/DE/677/1988 H2N8)
4 entries
Influenza A virus (strain A/Pintail/Alberta/119/1979 H4N6)
4 entries
Influenza A virus (strain A/Seal/Massachusetts/133/1982 H4N5)
4 entries
Influenza A virus (strain A/Swine/Hong Kong/126/1982 H3N2)
4 entries
Influenza A virus (strain A/Swine/Netherlands/12/1985 H1N1)
4 entries
Influenza A virus (strain A/Swine/Ontario/2/1981 H1N1)
4 entries
Influenza A virus (strain A/Swine/Tennessee/24/1977 H1N1)
4 entries
Influenza A virus (strain A/Teal/China/2978.1/2002 H5N1 genotype W)
4 entries
Influenza A virus (strain A/Whale/Maine/328/1984 H13N2)
4 entries
Influenza A virus (strain A/Wisconsin/3523/1988 H1N1)
3 entries
Influenza A virus (strain A/Anas acuta/Primorje/695/1976 H2N3)
3 entries
Influenza A virus (strain A/Bangkok/1/1979 H3N2)
3 entries
Influenza A virus (strain A/Duck/Alberta/60/1976 H12N5)
3 entries
Influenza A virus (strain A/Duck/Memphis/928/1974 H3N8)
3 entries
Influenza A virus (strain A/Duck/New Zealand/31/1976 H4N6)
3 entries
Influenza A virus (strain A/Equine/Miami/1/1963 H3N8)
3 entries
Influenza A virus (strain A/Equine/New Market/1979 H3N8)
3 entries
Influenza A virus (strain A/Equine/Santiago/1/1985 H3N8)
3 entries
Influenza A virus (strain A/Gull/Maryland/1815/1979 H13N6)
3 entries
Influenza A virus (strain A/Mallard/New York/6874/1978 H3N2)
3 entries
Influenza A virus (strain A/Mallard/Ohio/556/1987 H5N9)
3 entries
Influenza A virus (strain A/Swine/29/1937 H1N1)
3 entries
Influenza A virus (strain A/Swine/Hong Kong/127/1982 H3N2)
3 entries
Influenza A virus (strain A/Swine/Iowa/17672/1988 H1N1)
3 entries
Influenza A virus (strain A/Swine/May/1954 H1N1)
3 entries
Influenza A virus (strain A/Swine/Tennessee/26/1977 H1N1)
3 entries
Influenza A virus (strain A/Tern/South Africa/1961 H5N3)
3 entries
Influenza A virus (strain A/Tern/Turkmenia/18/1972 H3N3)
3 entries
Influenza A virus (strain A/Turkey/Canada/1963 H6N8)
3 entries
Influenza A virus (strain A/Udorn/1972 H3N2)
3 entries
Influenza A virus (strain A/Vietnam/1203/2004 H5N1)
2 entries
Influenza A virus (strain A/Alaska/6/1977 H3N2)
2 entries
Influenza A virus (strain A/Beijing/352/1989 H3N2)
2 entries
Influenza A virus (strain A/Duck/Australia/749/1980 H1N1)
2 entries
Influenza A virus (strain A/Duck/Ukraine/1/1963 H3N8)
2 entries
Influenza A virus (strain A/Equine/Algiers/1972 H3N8)
2 entries
Influenza A virus (strain A/Mallard/Alberta/827/1978 H8N4)
2 entries
Influenza A virus (strain A/Mallard/Alberta/88/1976 H3N8)
2 entries
Influenza A virus (strain A/Mallard/Astrakhan/263/1982 H14N5) (Influenza A virus (strain A/Mallard/Gurjev/263/1982 H14N5))
2 entries
Influenza A virus (strain A/Memphis/6/1986 H3N2)
2 entries
Influenza A virus (strain A/New Jersey/8/1976 H1N1)
2 entries
Influenza A virus (strain A/Parrot/Ulster/1973 H7N1)
2 entries
Influenza A virus (strain A/Philippines/2/1982 H3N2)
2 entries
Influenza A virus (strain A/Pintail/Alberta/121/1979 H7N8)
2 entries
Influenza A virus (strain A/Pintail/Alberta/268/1978 H6N2)
2 entries
Influenza A virus (strain A/Pintail/Alberta/358/1979 H3N6)
2 entries
Influenza A virus (strain A/Swine/Hong Kong/81/1978 H3N2)
2 entries
Influenza A virus (strain A/Swine/New Jersey/11/1976 H1N1)
2 entries
Influenza A virus (strain A/Texas/1/1977 H3N2)
2 entries
Influenza A virus (strain A/Turkey/Bethlehem-Glilit/1492-B/1982 H1N1)
2 entries
Influenza A virus (strain A/Turkey/Minnesota/1661/1981 H1N1)
2 entries
Influenza A virus (strain A/Wa-182)
2 entries
Influenza A virus (strain swl A/California/04/2009 H1N1)
1 entry
Influenza A virus (strain A/Beijing/11/1956 H1N1)
1 entry
Influenza A virus (strain A/Beijing/337/1989 H3N2)
1 entry
Influenza A virus (strain A/Blue-winged teal/Minnesota/993/1980 H6N6)
1 entry
Influenza A virus (strain A/California/10/1978 H1N1)
1 entry
Influenza A virus (strain A/Chicken/Alabama/1/1975 H4N8)
1 entry
Influenza A virus (strain A/Chicken/Pennsylvania/8125/1983 H5N2)
1 entry
Influenza A virus (strain A/Duck/Alberta/28/1976 H4N6)
1 entry
Influenza A virus (strain A/Duck/Alberta/35/1976 H1N1)
1 entry
Influenza A virus (strain A/Duck/Alberta/78/1976 H3N8)
1 entry
Influenza A virus (strain A/Duck/Bavaria/2/1977 H1N1)
1 entry
Influenza A virus (strain A/Duck/Beijing/1/1978 H3N6)
1 entry
Influenza A virus (strain A/Duck/Burjatia/652/1988 H3N8)
1 entry
Influenza A virus (strain A/Duck/Chabarovsk/1610/1972 H3N8)
1 entry
Influenza A virus (strain A/Duck/England/1/1962 H4N6)
1 entry
Influenza A virus (strain A/Duck/Hong Kong/7/1975 H3N2)
1 entry
Influenza A virus (strain A/Duck/Ireland/113/1983 H5N8)
1 entry
Influenza A virus (strain A/Duck/Manitoba/1/1953 H10N7)
1 entry
Influenza A virus (strain A/Duck/Pennsylvania/1/1969 H6N1)
1 entry
Influenza A virus (strain A/Duck/Ukraine/2/1960 H11N8)
1 entry
Influenza A virus (strain A/Dunedin/4/1973 H3N2)
1 entry
Influenza A virus (strain A/England/19/1955 H1N1)
1 entry
Influenza A virus (strain A/England/321/1977 H3N2)
1 entry
Influenza A virus (strain A/Equine/C.Detroit/1/1964 H7N7)
1 entry
Influenza A virus (strain A/Equine/Cambridge/1/1963 H7N7)
1 entry
Influenza A virus (strain A/Equine/Cambridge/1/1973 H7N7)
1 entry
Influenza A virus (strain A/Equine/Cor/16/1974 H7N7)
1 entry
Influenza A virus (strain A/Equine/Detroit/1/1964 H7N7)
1 entry
Influenza A virus (strain A/Equine/Fontainebleau/1976 H3N8) (Influenza A virus (strain A/Equine/France/1/1976 H3N8))
1 entry
Influenza A virus (strain A/Equine/Kentucky/1/1987 H3N8)
1 entry
Influenza A virus (strain A/Equine/Lexington/1/1966 H7N7)
1 entry
Influenza A virus (strain A/Equine/New Market/1976 H3N8)
1 entry
Influenza A virus (strain A/Equine/Romania/1980 H3N8)
1 entry
Influenza A virus (strain A/Equine/Sao Paulo/1/1976 H7N7)
1 entry
Influenza A virus (strain A/Equine/Sao Paulo/6/1969 H3N8)
1 entry
Influenza A virus (strain A/Equine/Suffolk/1989 H3N8)
1 entry
Influenza A virus (strain A/Equine/Switzerland/137/1972 H7N7)
1 entry
Influenza A virus (strain A/Equine/Tokyo/1971 H3N2)
1 entry
Influenza A virus (strain A/Equine/Uruguay/1/1963 H3N8)
1 entry
Influenza A virus (strain A/Fowl plague virus/Dobson/'Dutch'/1927 H7N7)
1 entry
Influenza A virus (strain A/Guangdong/38/1977 H3N2)
1 entry
Influenza A virus (strain A/Guangdong/39/1989 H3N2)
1 entry
Influenza A virus (strain A/Guangdong/9/1987 H3N2)
1 entry
Influenza A virus (strain A/Guinea fowl/New York/4-3587/1984 H3N8)
1 entry
Influenza A virus (strain A/Gull/Maryland/5/1977 H11N9)
1 entry
Influenza A virus (strain A/Mallard/Astrakhan/244/1982 H14N6) (Influenza A virus (strain A/Mallard/Gurjev/244/1982 H14N6))
1 entry
Influenza A virus (strain A/Mallard/Edmonton/220/1990 H3N8)
1 entry
Influenza A virus (strain A/Memphis/1/1973 H3N2)
1 entry
Influenza A virus (strain A/Memphis/14/1985 H3N2)
1 entry
Influenza A virus (strain A/Memphis/3/1988 H3N2)
1 entry
Influenza A virus (strain A/Memphis/4/1973 H3N2)
1 entry
Influenza A virus (strain A/Memphis/5/1980 H3N2)
1 entry
Influenza A virus (strain A/Mink/Sweden/1984 H10N4)
1 entry
Influenza A virus (strain A/Niigata/137/1996 H3N2)
1 entry
Influenza A virus (strain A/Ohio/4/1983 H1N1)
1 entry
Influenza A virus (strain A/Quail/Italy/1117/1965 H10N8)
1 entry
Influenza A virus (strain A/RI/5-/1957 H2N2)
1 entry
Influenza A virus (strain A/Ruddy Turnstone/New Jersey/60/1985 H4N9)
1 entry
Influenza A virus (strain A/Shanghai/11/1987 H3N2)
1 entry
Influenza A virus (strain A/Shanghai/16/1989 H3N2)
1 entry
Influenza A virus (strain A/Shanghai/31/1980 H3N2)
1 entry
Influenza A virus (strain A/Shanghai/6/1990 H3N2)
1 entry
Influenza A virus (strain A/Starling/Victoria/5156/1985 H7N7)
1 entry
Influenza A virus (strain A/Swine/41/1949 H1N1)
1 entry
Influenza A virus (strain A/Swine/Cambridge/1/1935 H1N1)
1 entry
Influenza A virus (strain A/Swine/Dandong/9/1983 H3N2)
1 entry
Influenza A virus (strain A/Swine/Germany/2/1981 H1N1)
1 entry
Influenza A virus (strain A/Swine/Hong Kong/3/1976 H3N2)
1 entry
Influenza A virus (strain A/Swine/Hong Kong/4/1976 H3N2)
1 entry
Influenza A virus (strain A/Swine/Hong Kong/6/1976 H3N2)
1 entry
Influenza A virus (strain A/Swine/Indiana/1726/1988 H1N1)
1 entry
Influenza A virus (strain A/Swine/Iowa/1946 H1N1)
1 entry
Influenza A virus (strain A/Swine/Iowa/1976/1931 H1N1)
1 entry
Influenza A virus (strain A/Swine/Italy/141/1981 H1N1)
1 entry
Influenza A virus (strain A/Swine/Italy/2/1979 H1N1)
1 entry
Influenza A virus (strain A/Swine/Italy/437/1976 H1N1)
1 entry
Influenza A virus (strain A/Swine/Italy/839/1989 H1N1)
1 entry
Influenza A virus (strain A/Swine/Jamesburg/1942 H1N1)
1 entry
Influenza A virus (strain A/Swine/Kanagawa/2/1978 H1N2)
1 entry
Influenza A virus (strain A/Swine/Ohio/23/1935 H1N1)
1 entry
Influenza A virus (strain A/Swine/Ukkel/1/1984 H3N2)
1 entry
Influenza A virus (strain A/Swine/Wisconsin/1/1957 H1N1)
1 entry
Influenza A virus (strain A/Teal/Iceland/29/1980 H7N7)
1 entry
Influenza A virus (strain A/Tern/Australia/G70C/1975 H11N9)
1 entry
Influenza A virus (strain A/Victoria/5/1968 H2N2)
1 entry
Influenza A virus (strain A/Whale/Maine/1/1984 H13N9)
1 entry
Influenza A virus (strain A/Whale/Pacific ocean/19/1976 H1N3)
1 entry