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 1510 11 36 1038 2 13342 19.48
36 1 1950 3 13 1393 7 15589 21.6
37 5 2224 1 22 1694 5 17594 22.46
38 4 2466 6 29 1703 18 18059 23.4
39 3 3337 7 36 1825 14 18690 27.94
40 1 5312 3 30 1866 15 21280 33.96
41 1 7795 0 47 1982 16 25788 38.16
42 0 8536 0 63 2052 22 27658 38.59
43 2 6673 2 59 1589 16 23186 35.97
44 0 4649 3 26 1081 24 17949 32.22
45 1 2468 0 10 624 3 10803 28.75

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