INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2009 - 2010 Season
Week A(H1) 2009 A H1N1 A(H3) A(Could Not Subtyped) A(Unk) B Total # Tested % Positive
35 2 1508 12 37 1039 2 13403 19.4
36 2 1945 3 14 1392 9 15746 21.37
37 7 2209 1 22 1695 5 17650 22.32
38 4 2454 8 34 1705 18 18194 23.21
39 4 3317 6 54 1804 13 18650 27.87
40 3 5166 3 31 1734 19 20712 33.56
41 7 7437 0 40 1973 14 25075 37.77
42 0 8017 0 62 1976 22 26083 38.63
43 4 5936 2 49 1548 17 21376 35.35
44 0 2830 0 14 971 19 12732 30.11

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