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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	18	12	1743	2.6
41	20	1	24	6	1823	2.8
42	9	2	27	12	2098	2.4
43	7	1	36	8	2120	2.5
44	20	1	58	22	2310	4.4
45	1	0	59	22	1764	4.6