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INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2006 - 2007 Season

Week	A(H1N1) & A(H1N2)	A(H3N2)	A(Unk)	B	Total # Tested	% Positive
40	13	2	20	12	1881	2.5
41	20	1	24	6	1957	2.6
42	9	2	27	12	2326	2.1
43	13	1	38	11	2516	2.5
44	25	1	62	26	2942	3.9
45	13	0	67	31	3239	3.4
46	14	0	59	17	2846	3.2
47	13	1	66	12	2529	3.6
48	15	1	61	29	2441	4.3