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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	2406	1.58
42	7	2	28	1	2756	1.38
43	7	1	27	4	2920	1.34
44	5	0	56	10	3253	2.18
45	6	9	47	8	3398	2.06
46	12	4	59	0	3425	2.19
47	27	2	91	12	3216	4.1
48	31	5	50	8	3374	2.79
49	12	2	97	10	2559	4.73