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 69 0 10 77 4311 3.69
41 0 7 67 0 27 98 4683 4.25
42 0 4 121 0 47 121 4949 5.92
43 0 3 146 0 53 136 4842 6.98
44 0 4 179 0 75 147 5107 7.93
45 0 4 261 0 118 224 6012 10.1
46 0 7 351 0 218 257 6121 13.64
47 0 6 486 0 402 348 6696 18.55
48 0 14 813 0 499 447 7891 22.47
49 0 14 791 0 850 517 7663 28.34

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