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 4345 3.75
41 0 7 67 0 25 98 4716 4.18
42 0 4 128 0 47 121 5009 5.99
43 0 3 148 0 49 139 4913 6.9
44 0 4 180 0 73 151 5148 7.93
45 0 5 269 0 114 231 6135 10.09
46 0 8 366 0 210 265 6366 13.37
47 0 8 589 0 406 362 7112 19.19
48 0 17 978 0 532 497 8872 22.81
49 0 36 1727 0 979 678 11459 29.85
50 0 49 2545 0 1141 822 13863 32.87
51 0 54 3478 0 1251 1096 15618 37.64
52 0 77 3651 0 1531 1153 16844 38.07
01 0 81 3606 0 1612 1077 17671 36.08
02 0 93 3852 0 1702 1108 19287 35.02
03 0 112 3070 0 1596 1045 18710 31.12
04 0 117 2278 0 1452 1038 16330 29.91
05 0 106 1639 0 884 969 13700 26.26
06 0 39 449 0 505 506 7608 19.7

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