INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2009 - 2010 Season
Week A(H1) 2009 A H1N1 A(H3) A(Could Not Subtyped) A(Unk) B Total # Tested % Positive
35 2 1508 12 37 1023 2 13253 19.5
36 1 1933 3 14 1357 9 15618 21.24
37 5 2193 1 22 1485 5 17078 21.73
38 4 2418 8 34 1417 13 17411 22.37
39 3 3199 6 54 1637 11 17997 27.28
40 0 4591 3 27 1891 13 19672 33.17
41 1 6107 0 40 2895 14 24171 37.47
42 0 6976 0 62 2270 21 23772 39.24
43 2 3889 2 41 1310 14 14151 37.16

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