| No. | Virus’s name | No. | Virus’s name |
| 1 | A/New York/4/1918 | 17 | A/Oslo/868/2001 |
| 2 | A/London/1/1919 | 18 | A/swine/Iowa/H02NJ56391/2002 |
| 3 | A/Fort Monmouth/1/1947 | 19 | A/swine/Italy/151672-3/2003 |
| 4 | A/Netherlands/001G1/1950 | 20 | A/swine/North Carolina/00321/2004 |
| 5 | A/Yamagishi/50 | 21 | A/Massachusetts/6/2006 |
| 6 | A/Kw/1/1957 | 22 | A/swine/Kansas/01797/2007 |
| 7 | A/Denver/1957 | 23 | A/Brisbane/59/2007 |
| 8 | A/swine/Hong Kong/1/1974 | 24 | A/Kisii/5896/2008 |
| 9 | A/swine/Hong Kong/59/1977 | 25 | A/Tehran/2a/2008 |
| 10 | A/USSR/90/1977 | 26 | A/Thailand/CU-H1039/2009 |
| 11 | A/mallard/Marquenterre/Z237/1983 | 27 | A/Singapore/GP1022/2009 |
| 12 | A/Memphis/12/1986 | 28 | A/Japan/636/2009 |
| 13 | A/Goroka/2/1990 | 29 | A/Thailand/CU-H2717/2010 |
| 14 | A/blue-wingedteal/Alberta/141/1992 | 30 | A/swine/England/453/2006 |
| 15 | A/Tokushima/20/1996 | 31 | A/Shiraz/11/2013 |
| 16 | A/swine/Hong Kong/5273/1999 |
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