TABLE 1.
Influenza A viruses sequenced in this study
| Pathogenicity and host | Virus strain | Subtype | Abbreviation | Source | Pathogenicity in chickens | Connecting peptide | Carbohydrate at residue 154 of HA |
|---|---|---|---|---|---|---|---|
| Pathogenic | |||||||
| Human | A/Hong Kong/156/97 | H5N1 | HK156-97 | Index human infection | + | TPQRERRRKKR | − |
| Chicken (Hong Kong) | A/Chicken/Hong Kong/220/97 | H5N1 | CHK220-97 | Farm, New Territories, organs | + | TPQRERRRKKR | + |
| A/Chicken/Hong Kong/258/97 | H5N1 | CHK258-97 | Farm, New Territories, organs | + | APQRERRRKKR | + | |
| A/Chicken/Hong Kong/786/97 | H5N1 | CHK786-97 | Market, New Territories, organs | + | TPQRERRRKKR | + | |
| A/Chicken/Hong Kong/y385/97 | H5N1 | CHK385-97 | Tsuen Wan Market, Hong Kong, feces | + | TPQRERRRKKR | + | |
| A/Chicken/Hong Kong/y388/97 | H5N1 | CHK388-97 | Tsuen Wan Market, Hong Kong, feces | + | TPQRERRRKKR | + | |
| A/Chicken/Hong Kong/728/97 | H5N1 | CHK728-97 | Market, New Territories, organs | + | TPQRERRRKKR | − | |
| A/Chicken/Hong Kong/915/97 | H5N1 | CHK915-97 | Market, New Territories, organs | + | TPQRERRRKKR | − | |
| A/Chicken/Hong Kong/p17/97 | H5N1 | CHK17-97 | Central Market, Hong Kong, feces | + | TPQRERRRKKR | − | |
| A/Chicken/Hong Kong/1203/97 | H5N1 | CHK1203-97 | Market, Hong Kong, organs | + | TPQRERRRKKR | − | |
| A/Chicken/Hong Kong/976/97 | H5N1 | CHK976-97 | Apleichau Market, Hong Kong, feces | + | TPQRERRRKKR | − | |
| A/Chicken/Hong Kong/990/97 | H5N1 | CHK990-97 | Apleichau Market, Hong Kong, feces | + | TPQRERRRKKR | − | |
| Duck | A/Duck/Hong Kong/p46/97 | H5N1 | DHK46-97 | Central Market, Hong Kong, feces | + | TPQRERRRKKR | − |
| A/Duck/Hong Kong/y283/97 | H5N1 | DHK283-97 | Tsuen Wan Market, Hong Kong, feces | + | TPQRERRRKKR | − | |
| Goose | A/Goose/Hong Kong/w355/97 | H5N1 | GHK355-97 | Cheung Sha Wan Market, Hong Kong, cloacal swab | + | TPQRERRRKKR | − |
| Chicken (Mexico) | A/Chicken/Puebla/8623-607/94 | H5N2 | CPUE1-94 | NSa | NDb | VPQRKRKTR | ND |
| A/Chicken/Puebla/14585-622/94 | H5N2 | CPUE2-94 | NS | ND | VPQRKRKTR | ND | |
| A/Chicken/Queretaro/14588-19/95 | H5N2 | CQUE95 | NS | ND | VPQRKRKTR | ND | |
| Nonpathogenic | |||||||
| Duck | A/Duck/Hong Kong/205/77 | H5N3 | DHK205-77 | NS | ND | VPQRETR | − |
| A/Duck/Hong Kong/698/79 | H5N3 | DHK698-79 | NS | ND | VPQRETR | − | |
| A/Duck/Minnesota/1525/81 | H5N1 | DMN81 | NS | ND | VPQRETR | − | |
| A/Duck/Potsdam/2216-4/84 | H5N6 | DP84 | NS | ND | VPQRETR | − | |
| A/Duck/Potsdam/1402-6/86 | H5N2 | DP86 | NS | ND | VPQRETR | − | |
| A/Duck/Nanchang/266/98 | H4N6 | DNC98 | NS | ND | ND | ND | |
| Aquatic bird | A/Aquatic bird/Hong Kong/m603/98 | H11N1 | ABHK603-98 | Nature, New Territories, feces | ND | ND | ND |
| Chicken (Mexico) | A/Chicken/Hidalgo/26654-1368/94 | H5N2 | CHID94 | NS | ND | VPQRETR | ND |
| A/Chicken/Mexico/26654-1374/94 | H5N2 | CMEX94 | NS | ND | VPQRETR | ND | |
| Turkey | A/Turkey/Ramon/73 | H5N2 | TRAM73 | NS | ND | VPQRETR | − |
| Gull | A/Gull/Pennsylvania/4175/83 | H5N1 | GPA83 | NS | ND | VPQRETR | − |
a
NS, not specified.
b
ND, not determined in this study.