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 6365 13.37
47 0 8 589 0 406 362 7112 19.19
48 0 17 984 0 532 497 8876 22.87
49 0 36 1729 0 979 678 11461 29.86
50 0 49 2549 0 1141 822 13863 32.9
51 0 54 3488 0 1251 1097 15628 37.69
52 0 78 3670 0 1531 1160 16876 38.15
01 0 84 3639 0 1612 1085 17731 36.21
02 0 96 3884 0 1715 1127 19503 34.98
03 0 113 3109 0 1596 1065 18817 31.26
04 0 128 2365 0 1503 1082 16795 30.24
05 0 122 1874 0 951 1072 14708 27.33
06 0 114 1154 0 706 1029 13112 22.9
07 0 69 748 0 478 969 11121 20.36
08 0 58 431 0 350 950 9471 18.89
09 0 22 149 0 214 689 6259 17.16

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