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INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2008 - 2009 Season

Week	A(H1)	A(H3)	A(Unk)	B	Total # Tested	% Positive
40	3	0	8	7	2593	0.69
41	4	4	8	6	2632	0.84
42	13	4	15	6	2745	1.38
43	22	0	24	14	3196	1.88
44	11	3	21	5	3316	1.21
45	29	2	23	10	3907	1.64
46	27	2	23	13	4082	1.59
47	28	2	34	23	4437	1.96
48	36	2	48	23	4520	2.41
49	40	4	58	16	4964	2.38
50	67	11	67	34	5243	3.41
51	66	18	108	49	5512	4.37
52	67	11	151	48	5226	5.3
53	81	18	169	42	5376	5.77
01	103	19	237	54	5206	7.93
02	44	4	298	63	3544	11.54