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| Antigen – Antiserum | T1 | T2 | T3 | T4 | T5 | T6 |
| A/Wisconsin/10/1998 –A/Wisconsin/10/1998 | 9 | 8 | 8 | – | – | – |
| A/Brisbane/59/2007 –A/California/7/2009 | – | – | 0 | 0 | 0 | 1 |
| A/New York/18/2009 –A/California/7/2009 | – | – | 8 | 7 | 9 | 7 |
| A/Mexico/4108/2009 –A/TEXAS/15/2009 | – | – | 9 | 9 | 9 | 8 |
