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INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2012 - 2013 Season

Week	A(H1)	A(2009 H1N1)	A(H3)	A(unable to sub-type)	A(Subtyping not performed)	B	Total # Tested	% Positive
40	0	3	68	0	10	74	4218	3.67
41	0	7	66	0	25	95	4580	4.21
42	0	4	105	0	46	92	4190	5.89
43	0	1	59	0	59	69	3036	6.19