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 4772 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 2143 50 0 1600 65 13722 28.12
52 0 2940 46 0 1740 93 15530 31.03
01 0 3396 82 0 1536 84 17470 29.18
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 9828 11.85
10 0 396 99 0 206 293 9223 10.78
11 0 338 134 0 162 332 8700 11.1
12 0 198 161 0 190 450 7985 12.51
13 0 145 175 0 188 512 7726 13.2
14 0 106 231 0 146 569 7356 14.3
15 0 50 225 0 168 605 7032 14.9
16 0 30 218 0 138 503 6491 13.7
17 0 28 187 0 129 452 6098 13.05
18 0 13 147 0 128 420 5655 12.52
19 0 7 128 0 101 337 5288 10.84
20 0 6 100 0 96 298 5086 9.83
21 0 1 101 0 61 222 4544 8.47
22 0 3 102 0 79 199 4409 8.69
23 0 2 84 0 52 121 3846 6.73
24 0 3 54 0 46 96 3045 6.54
25 0 0 8 0 40 53 1897 5.32

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