INFLUENZA ISOLATES FROM HHS REGION 4
Reported By WHO/NREVSS Collaborating Laboratories
2008 - 2009 Season

Week A(H1) 2009 A H1N1 A(H3) A(Unable to subtype) A(Subtyping not performed) B Total # Tested % Positive
40 0 0 0 0 2 2 444 0.9
41 0 0 0 0 0 0 473 0
42 0 0 0 0 7 1 545 1.47
43 0 0 0 0 6 2 649 1.23
44 1 0 0 0 6 3 680 1.47
45 1 0 0 0 7 1 717 1.26
46 2 0 0 0 6 5 770 1.69
47 0 0 0 0 10 10 755 2.65
48 0 0 0 0 6 8 714 1.96
49 2 0 0 0 14 9 850 2.94
50 1 0 0 0 9 12 854 2.58
51 7 0 0 0 14 17 839 4.53
52 3 0 0 0 11 14 830 3.37
53 3 0 1 0 18 8 768 3.91
01 9 0 0 0 30 19 863 6.72
02 8 0 3 0 41 18 837 8.36
03 27 0 3 0 45 20 878 10.82
04 36 0 4 0 64 37 1003 14.06
05 70 0 9 0 108 54 1280 18.83
06 91 0 6 0 173 92 1687 21.46
07 99 0 7 0 182 91 1660 22.83
08 96 0 4 0 211 123 1932 22.46
09 48 0 2 0 173 118 1700 20.06
10 40 0 4 0 121 117 1602 17.6
11 78 0 1 0 95 116 1395 20.79
12 62 0 4 0 53 86 1210 16.94
13 10 0 0 0 38 35 866 9.58
14 11 0 0 0 30 32 758 9.63
15 5 0 1 0 19 19 645 6.82
16 0 0 0 0 22 6 556 5.04
17 74 63 129 32 89 112 4182 11.93
18 105 172 180 10 126 61 4952 13.21
19 33 140 106 4 94 15 2628 14.92
20 19 147 112 1 15 16 1937 16
21 6 226 43 1 58 9 1587 21.61
22 7 268 39 2 41 7 1446 25.17
23 1 431 29 3 115 3 1663 35
24 1 654 27 2 165 1 2077 40.92
25 1 736 27 2 154 1 1957 47.06
26 69 636 3 3 165 2 2010 43.68
27 0 646 11 1 177 2 2102 39.82
28 8 560 9 3 138 2 1954 36.85
29 15 521 3 3 110 2 1717 38.09
30 22 470 3 3 119 1 1924 32.12
31 7 443 2 8 72 0 1647 32.3
32 0 545 3 4 103 4 1997 33
33 0 838 8 2 132 0 2933 33.41
34 0 325 1 7 226 3 2925 19.21
35 0 228 0 9 420 0 3101 21.19
36 0 278 0 0 552 2 3322 25.05
37 0 295 0 3 432 0 2903 25.15
38 0 373 0 5 419 0 2990 26.66
39 0 262 0 11 401 2 2652 25.49

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