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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	1833	2.5
41	20	1	24	6	1891	2.7
42	9	2	27	12	2160	2.3
43	7	1	38	8	2367	2.3
44	22	1	58	23	2662	3.9
45	13	0	66	26	2659	3.9
46	6	0	54	8	2135	3.2