Table 1. Circulating viruses in France by epidemic (from FluNet database).
| Epidemic Season | Proportion of swabs positive for types/subtypes from FluNet databasea | Considered viral circulation | ||
| A(H3N2) | A(H1N1) | B | ||
| 1999–2000 | 99% | <1% | <1% | A(H3N2) |
| 2000–2001 | 9% | 70% | 21% | A(H1N1) |
| 2001–2002 | 82% | <1% | 18% | A(H3N2) |
| 2002–2003 | 9% | 43% | 48% | B c |
| 2003–2004 | 99% | 1% | <1% | A(H3N2) |
| 2004–2005 | 88% | 5% | 7% | A(H3N2) |
| 2005–2006 | 2% | 43% | 55% | B + A(H1N1) |
| 2006–2007 | 99% | <1% | <1% | A(H3N2) |
| 2007–2008 | 3% | 63% | 34% | A(H1N1) + B |
| 2008–2009 | 83%b | 3%b | 15%b | A(H3N2) |
| 2009–2010 | <1% | 99% | <1% | A(H1N1)pdm09 |
| 2010–2011 | 6% | 58% | 36% | A(H1N1)pdm09 + B |
| 2011–2012 | 92% | 5% | 2% | A(H3N2) |
a
Proportion corrected to include not subtyped A viruses b Data for the 2008–2009 are from Grog network only. c A majority of type B was circulating in general practice. A(H1N1) was mostly reported from hospital based tests during the 2002–2003 season.