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INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2008 - 2009 Season

Week	A(H1)	A(H3)	A(Unk)	B	Total # Tested	% Positive
40	2	0	9	6	2557	0.66
41	4	4	6	6	2585	0.77
42	13	3	15	6	2713	1.36
43	22	0	24	14	3086	1.94
44	11	1	21	4	3262	1.13
45	27	3	23	10	3840	1.64
46	27	2	18	10	3608	1.58
47	16	0	33	20	3979	1.73
48	23	2	45	20	3913	2.3
49	23	3	47	12	3869	2.2
50	28	3	48	24	2949	3.49