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

Week	A(H1)	2009 A H1N1	A(H3)	A(unable to sub-type)	A(Subtyping not performed)	B	Total # Tested	% Positive
35	2	1900	13	16	1087	4	14443	20.92
36	1	2302	6	13	1457	11	16842	22.5
37	5	2621	3	10	1707	5	18726	23.24
38	4	2840	6	24	1715	18	19158	24.05
39	4	3803	7	24	1850	17	20082	28.41
40	1	5924	2	17	1906	18	23175	33.95
41	1	8487	0	17	2115	18	28007	37.98
42	2	9683	2	27	2253	29	30868	38.86
43	1	7708	2	38	1946	19	27034	35.93
44	3	6037	3	21	1423	30	24050	31.26
45	1	4588	1	23	1119	9	20897	27.47
46	1	2693	0	21	682	13	17570	19.41
47	1	1387	3	9	426	7	12572	14.58
48	1	987	0	11	286	9	12407	10.43
49	1	606	3	7	172	3	10613	7.46
50	0	470	3	6	151	6	9775	6.51
51	3	243	0	1	108	3	8153	4.39
52	0	270	1	1	98	8	8619	4.39
01	0	251	0	3	69	5	8302	3.95
02	1	231	2	2	93	11	7536	4.51
03	0	267	1	2	79	3	7330	4.8
04	0	228	3	0	75	6	7335	4.25
05	0	261	0	0	73	4	7107	4.76
06	0	188	0	0	87	6	6812	4.13
07	0	185	0	1	79	6	6417	4.22
08	0	195	1	0	66	1	4128	6.37