Table 3.
A/H1N1 and A/H3N2 cases detected during each influenza season
| Season | Total A samples characterized | A/H1N1 | A/H3N2 | Dominant strain | ||
|---|---|---|---|---|---|---|
| n | % | n | % | |||
| 2000–2001 | 48 | 44 | 91.7 | 4 | 8.3 | H1N1 |
| 2001–2002 | 13 | 0 | 0.0 | 13 | 100.0 | H3N2 |
| 2002–2003 | 53 | 5 | 9.4 | 48 | 90.6 | H3N2 |
| 2003–2004 | 33 | 0 | 0.0 | 33 | 100.0 | H3N2 |
| 2004–2005 | 76 | 33 | 43.4 | 43 | 56.6 | Co-circulation |
| 2005–2006 | 7 | 1 | 14.3 | 6 | 85.7 | H3N2 |
| 2006–2007 | 109 | 1 | 0.9 | 108 | 99.1 | H3N2 |
| 2007–2008 | 130 | 130 | 100.0 | 0 | 0.0 | H1N1 |
| 2008–2009 | 139 | 6 | 4.3 | 133 | 95.7 | H3N2 |
| 2009–2010 | 853 | 853 | 100.0 | 0 | 0.0 | H1N1 |
| 2010–2011 | 233 | 228 | 97.6 | 5 | 2.2 | H1N1 |
| 2011–2012 | 153 | 13 | 8.5 | 140 | 91.5 | H3N2 |
| 2012–2013 | 814 | 573 | 70.4 | 241 | 29.6 | H1N1 |
| 2013–2014 | 25 | 9 | 36.0 | 16 | 64.0 | Co-circulation |
| 2014–2015 | 326 | 50 | 15.3 | 276 | 84.7 | H3N2 |
| 2015–2016 | 234 | 222 | 94.9 | 12 | 5.1 | H1N1 |
| Total | 3246 | 2168a | 66.8 | 1078 | 33.2 | H1N1a |
aNot adjusted for the high number of cases from the 2009–2010 pandemic