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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	1851	2.5
41	20	1	24	6	1927	2.6
42	9	2	27	12	2245	2.2
43	7	1	38	10	2439	2.3
44	22	1	62	25	2807	3.9
45	13	0	67	27	2924	3.7
46	11	0	58	13	2427	3.4
47	4	0	53	10	1823	3.7