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 71 0 10 79 4316 3.78
41 0 7 67 0 25 98 4684 4.21
42 0 4 125 0 47 121 4978 5.97
43 0 3 147 0 49 139 4861 6.95
44 0 4 180 0 73 151 5109 7.99
45 0 5 267 0 114 229 6038 10.19
46 0 8 360 0 211 262 6272 13.44
47 0 7 549 0 406 359 6979 18.93
48 0 17 935 0 507 482 8517 22.79
49 0 36 1631 0 915 647 10839 29.79
50 0 36 2048 0 1146 680 12526 31.22
51 0 12 970 0 586 278 6234 29.61

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