INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2013 - 2014 Season
Week A(H1) A(2009 H1N1) A(H3) A(unable to sub-type) A(Subtyping not performed) B Total # Tested % Positive
40 0 68 13 0 83 27 4773 4.02
41 0 57 23 0 116 29 5636 3.99
42 0 49 15 0 94 26 5716 3.22
43 0 70 17 0 100 14 5650 3.56
44 0 87 26 0 136 42 6163 4.72
45 0 152 27 0 171 43 6770 5.81
46 0 270 21 0 188 37 7064 7.3
47 0 419 20 0 210 55 7672 9.18
48 0 472 28 0 330 41 7219 12.07
49 0 988 32 0 726 67 9912 18.29
50 0 1279 54 0 815 50 10583 20.77
51 0 2142 50 0 1600 65 13721 28.11
52 0 2939 46 0 1740 93 15529 31.03
01 0 3398 82 0 1536 84 17472 29.19
02 0 3345 105 0 1278 83 17606 27.33
03 0 3069 117 0 1155 110 16875 26.38
04 0 2487 124 0 1033 156 15931 23.85
05 0 1837 88 0 773 158 14183 20.14
06 0 1480 116 0 556 202 12591 18.7
07 0 1080 92 0 484 208 11346 16.43
08 0 800 91 0 337 238 10884 13.47
09 0 543 96 0 260 266 9827 11.86
10 0 394 99 0 206 293 9142 10.85
11 0 338 134 0 162 332 8700 11.1
12 0 198 161 0 190 450 7985 12.51
13 0 144 175 0 188 512 7725 13.19
14 0 107 231 0 146 569 7357 14.31
15 0 50 223 0 168 605 7030 14.88
16 0 30 220 0 138 484 6474 13.47
17 0 18 187 0 129 440 6076 12.74
18 0 13 147 0 128 419 5654 12.5
19 0 7 128 0 99 327 5221 10.75
20 0 5 100 0 94 291 5023 9.76
21 0 1 83 0 58 196 4204 8.04
22 0 2 59 0 78 166 3871 7.88
23 0 0 19 0 49 75 2453 5.83

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