INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2012 - 2013 Season
Week A(H1) A(2009 H1N1) A(H3) A(unable to sub-type) A(Subtyping not performed) B Total # Tested % Positive
40 0 3 68 0 10 75 4225 3.69
41 0 7 67 0 27 96 4606 4.28
42 0 4 119 0 47 117 4761 6.03
43 0 2 132 0 51 128 4558 6.87
44 0 3 129 0 73 106 4187 7.43
45 0 2 80 0 93 136 4147 7.5

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