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 3072 117 0 1155 110 16878 26.39
04 0 2497 124 0 1033 156 15941 23.9
05 0 1844 88 0 773 158 14191 20.17
06 0 1483 117 0 556 202 12596 18.72
07 0 1087 92 0 484 208 11353 16.48
08 0 807 92 0 337 238 10893 13.53
09 0 553 98 0 260 266 9847 11.95
10 0 403 99 0 206 293 9237 10.84
11 0 340 134 0 162 332 8708 11.12
12 0 201 161 0 190 454 8001 12.57
13 0 148 175 0 188 516 7740 13.27
14 0 110 232 0 145 579 7375 14.45
15 0 52 225 0 168 615 7047 15.04
16 0 30 219 0 138 508 6521 13.72
17 0 29 191 0 129 464 6223 13.06
18 0 13 151 0 131 436 5748 12.72
19 0 7 130 0 104 348 5341 11.03
20 0 6 117 0 101 318 5210 10.4
21 0 1 104 0 61 233 4763 8.38
22 0 3 113 0 80 223 4662 8.99
23 0 2 93 0 51 160 4222 7.25
24 0 3 100 0 49 140 4057 7.2
25 0 3 69 0 43 111 3793 5.96
26 0 1 45 0 28 98 3365 5.11
27 0 2 47 0 26 83 3039 5.2
28 0 3 53 0 29 60 2928 4.95
29 0 0 41 0 19 56 3066 3.78
30 0 1 34 0 28 50 3022 3.74
31 0 1 33 0 25 17 2783 2.73
32 0 2 14 0 16 12 2631 1.71
33 0 1 13 0 20 20 2705 2
34 0 2 2 0 20 25 2110 2.32

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