INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2009 - 2010 Season

Week	A(H1)	2009 A H1N1	A(H3)	A(unable to sub-type)		B	Total # Tested	% Positive
35	2	1586	13	31	1039	3	13499	19.81
36	1	2051	4	15	1404	11	16044	21.73
37	5	2314	3	19	1709	5	17945	22.6
38	5	2579	7	27	1716	18	18399	23.65
39	4	3544	6	32	1836	15	19136	28.41
40	1	5739	3	38	1883	16	22221	34.56
41	1	8358	0	47	1995	18	26951	38.66
42	1	9106	0	61	2064	23	28949	38.88
43	2	7350	2	52	1623	17	24867	36.38
44	0	5635	3	24	1202	25	21189	32.51
45	1	3996	0	26	800	7	17306	27.91
46	1	2213	0	27	399	12	12528	21.17
47	0	708	1	8	233	6	6224	15.36