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Predominant influenza viruses in Italy and Apulia from 1999 to 2009
| Flu season | Predominant influenza virus in Apulia | Predominant influenza virus in Italy |
|---|---|---|
| 1999–2000 | A(H3N2) | A(H3N2) |
| 2000–2001 | A(H1N1) | A(H1N1) |
| 2001–2002 | B | B |
| 2002–2003 | A(H3N2) | A(H3N2) |
| 2003–2004 | B and A(H3N2) | A(H3N2) |
| 2004–2005 | A(H3N2) | A(H3N2) |
| 2005–2006 | B and A(H3N2) | A(H1N1) and B |
| 2006–2007 | A(H1N1) | A(H3N2) |
| 2007–2008 | A(H1N1) | B and A(H1N1) |
| 2008–2009 | A(H3N2) | A(H3N2) |
