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Table 1 Number of specimens tested and influenza cases, and percentages attributable to influenza A and B virus types

From: Ten influenza seasons in France: distribution and timing of influenza A and B circulation, 2003–2013

Season Specimens tested Influenza cases % positive A B
2003–2004 2,737 950 34.7 % 946 (99.6 %) 4 (0.4 %)
2004–2005 3,782 1,118 29.6 % 1,018 (91.1 %) 100 (8.9 %)
2005–2006 4,858 903 18.6 % 340 (37.7 %) 563 (62.3 %)
2006–2007 4,609 1,061 23.0 % 1,055 (99.4 %) 6 (0.6 %)
2007–2008 5,084 1,375 27.0 % 893 (64.9 %) 482 (35.1 %)
2008–2009 4,860 1,564 32.2 % 1,336 (85.4 %) 228 (14.6 %)
2009–2010 8,822 3,105 35.2 % 3,098 (99.8 %) 7 (0.2 %)
2010–2011 5,255 2,068 39.4 % 1,086 (52.5 %) 982 (47.5 %)
2011–2012 4,465 1,530 34.3 % 1,474 (96.3 %) 56 (3.7 %)
2012–2013 5,447 2,613 48.0 % 1,189 (45.5 %) 1,424 (54.5 %)
Total 49,919 16,287 32.6 % 12435 (76.3 %) 3852 (23.7 %)
  1. Source: GROG influenza sentinel surveillance network, France, 2003–2004 to 2012–2013