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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	1914	2.5
41	20	1	24	6	1979	2.6
42	9	2	27	12	2378	2.1
43	13	1	38	11	2598	2.4
44	25	1	62	26	3015	3.8
45	13	0	67	31	3335	3.3
46	15	0	59	20	3217	2.9
47	14	1	73	14	3139	3.2
48	19	1	73	38	3429	3.8
49	21	0	75	25	2470	4.9