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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	6	2610	0.65
41	4	4	8	6	2643	0.83
42	13	3	15	6	2741	1.35
43	22	0	24	14	3177	1.89
44	11	2	22	5	3313	1.21
45	30	2	23	11	3902	1.69
46	25	2	23	12	4126	1.5
47	27	1	31	23	4471	1.83
48	40	1	47	24	4568	2.45
49	40	4	58	14	5240	2.21
50	71	9	66	36	5603	3.25
51	72	17	106	56	5883	4.27
52	69	10	149	50	5622	4.94
53	103	17	168	45	5885	5.66
01	143	25	236	68	6147	7.68
02	151	19	366	80	5628	10.95
03	189	35	500	130	5901	14.47
04	243	31	669	184	6520	17.29
05	146	14	741	253	5596	20.62