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 78 4328 3.74
41 0 7 67 0 25 98 4698 4.19
42 0 4 127 0 47 121 4992 5.99
43 0 3 147 0 49 139 4893 6.91
44 0 4 180 0 73 151 5127 7.96
45 0 5 269 0 114 231 6114 10.12
46 0 8 359 0 211 264 6340 13.31
47 0 8 571 0 409 360 7074 19.06
48 0 17 957 0 534 497 8835 22.69
49 0 35 1698 0 968 677 11344 29.78
50 0 45 2501 0 1138 807 13716 32.74
51 0 44 3268 0 1266 1080 15291 37
52 0 48 3205 0 1567 1111 16237 36.53
01 0 54 2858 0 1675 1001 16414 34.04
02 0 45 1603 0 1355 635 12360 29.43

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