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INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2004 - 2005 Season

Week	A(H1N1) & A(H1N2)	A(H3N2)	A(Unk)	B	Total # Tested	% Positive
40	0	5	3	4	1682	0.7
41	0	9	2	2	1974	0.7
42	0	13	9	9	2298	1.3
43	0	13	12	7	2405	1.3
44	0	12	8	16	2400	1.5
45	0	8	10	22	2463	1.6
46	0	10	22	12	2422	1.8
47	0	7	19	12	2336	1.6
48	0	16	22	11	1845	2.7