TABLE 1.
Representative strains of each HA and NA subtype of influenza A virus found in different animal species
| Subtype | Strain found ina:
|
|||
|---|---|---|---|---|
| Humans | Swine | Horses | Birds | |
| HA | ||||
| H1 | A/Puerto Rico/8/34 (H1N1) | A/Swine/Iowa/15/30 (H1N1) | A/Duck/Alberta/35/76 (H1N1) | |
| H2 | A/Singapore/1/57 (H2N2) | A/Duck/Germany/1215/73 (H2N3) | ||
| H3 | A/Hong Kong/1/68 (H3N2) | A/Swine/Taiwan/70 (H3N2) | A/Equine/Miami/1/63 (H3N8) | A/Duck/Ukraine/1/63 (H3N8) |
| H4 | A/Duck/Czechoslovakia/56 (H4N6) | |||
| H5 | [A/Hong Kong/156/97 (H5N1)] | A/Tern/South Africa/61 (H5N3) | ||
| H6 | A/Turkey/Massachusetts/3740/65 (H6N2) | |||
| H7 | [A/England/268/96 (H7N7)] | A/Equine/Prague/1/56 (H7N7) | A/Fowl plague virus/Dutch/27 (H7N7) | |
| H8 | A/Turkey/Ontario/6118/68 (H8N4) | |||
| H9 | A/Turkey/Wisconsin/1/66 (H9N2) | |||
| H10 | A/Chicken/Germany/N/49 (H10N7) | |||
| H11 | A/Duck/England/56 (H11N6) | |||
| H12 | A/Duck/Alberta/60/76 (H12N5) | |||
| H13 | A/Gull/Maryland/704/77 (H13N6) | |||
| H14 | A/Duck/Gurjev/263/82 (H14N?) | |||
| H15 | A/Duck/Australia/341/83 (H15N?) | |||
| NA | ||||
| N1 | A/Puerto Rico/8/34 (H1N1) | A/Swine/Iowa/15/30 (H1N1) | A/Chicken/Scotland/59 (H5N1) | |
| N2 | A/Singapore/1/57 (H2N2) | A/Swine/Taiwan/70 (H3N2) | A/Turkey/Massachusetts/3740/65 (H6N2) | |
| N3 | A/Tern/South Africa/61 (H5N3) | |||
| N4 | A/Turkey/Ontario/6118/68 (H8N4) | |||
| N5 | A/Shearwater/Australia/1/72 (H6N5) | |||
| N6 | A/Duck/Czechoslovakia/56 (H4N6) | |||
| N7 | [A/England/268/96 (H7N7)] | [A/Swine/England/191973/92 (H1N7)] | A/Equine/Prague/1/56 (H7N7) | A/Fowl plague virus/Dutch/27 (H7N7) |
| N8 | A/Equine/Miami/1/63 (H3N8) | A/Duck/Ukraine/1/63 (H3N8) | ||
| N9 | A/Duck/Memphis/546/74 (H11N9) | |||
a
Viruses in brackets did not establish in the hosts.