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 70 0 10 77 4302 3.72
41 0 7 66 0 27 98 4675 4.24
42 0 4 121 0 47 121 4947 5.92
43 0 3 145 0 53 137 4838 6.99
44 0 4 178 0 75 147 5099 7.92
45 0 4 257 0 114 223 5982 10
46 0 7 340 0 217 253 6073 13.47
47 0 4 442 0 405 313 6363 18.29
48 0 4 406 0 444 285 5511 20.67

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