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INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2007 - 2008 Season

Week	A(H1)	A(H3)	A(Unk)	B	Total # Tested	% Positive
40	6	0	20	4	2181	1.38
41	12	3	22	1	2409	1.58
42	7	2	28	1	2786	1.36
43	7	1	27	4	2947	1.32
44	8	0	53	10	3309	2.15
45	6	9	47	8	3483	2.01
46	17	4	54	0	3491	2.15
47	33	2	87	12	3312	4.05
48	39	11	45	10	3732	2.81
49	22	6	105	12	3306	4.39
50	22	5	49	10	2207	3.9