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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	2612	0.65
41	4	4	8	6	2645	0.83
42	13	3	15	6	2775	1.33
43	22	0	24	14	3201	1.87
44	11	2	21	5	3345	1.17
45	30	2	23	11	3936	1.68
46	25	2	23	12	4162	1.49
47	27	1	31	23	4517	1.82
48	40	1	46	24	4614	2.41
49	41	4	57	14	5322	2.18
50	70	9	66	36	5663	3.2
51	73	17	107	56	5932	4.27
52	70	12	150	51	5729	4.94
53	108	17	167	47	6009	5.64
01	153	25	240	76	6384	7.74
02	173	20	365	86	6062	10.62
03	237	38	496	141	6238	14.62
04	370	56	668	231	7138	18.56
05	378	24	938	424	8370	21.08
06	272	12	620	409	5380	24.41