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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	2	0	9	6	2503	0.68
41	4	4	6	5	2502	0.76
42	12	3	15	5	2635	1.33
43	22	2	20	14	2863	2.03
44	9	1	18	3	2846	1.09
45	20	2	24	9	3309	1.66
46	22	2	10	8	2495	1.68
47	10	0	26	16	2080	2.5