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	1884	13	16	1087	4	14443	20.81
36	1	2294	6	8	1462	11	16842	22.46
37	5	2617	3	10	1707	5	18726	23.21
38	4	2858	6	24	1724	18	19498	23.77
39	4	3847	7	24	1863	17	20564	28.02
40	1	6121	2	17	2046	19	24567	33.4
41	2	8627	0	17	2211	18	29035	37.45
42	2	9735	2	27	2342	30	31866	38.09
43	1	7738	2	38	2010	19	27992	35.04
44	3	6081	3	21	1464	30	24861	30.58
45	1	4629	1	22	1157	9	21720	26.79
46	1	2715	0	21	725	13	18198	19.1
47	1	1408	3	9	448	7	13199	14.21
48	1	997	0	11	316	9	12978	10.28
49	1	610	3	7	185	3	11195	7.23
50	0	480	3	6	172	6	10473	6.37
51	3	251	0	1	135	3	8437	4.66
52	0	285	1	1	134	8	9454	4.54
01	0	264	0	3	90	5	9366	3.87
02	1	261	2	2	115	11	8452	4.64
03	0	317	1	2	119	3	8373	5.28
04	0	267	3	0	110	6	8343	4.63
05	0	290	0	0	104	4	8263	4.82
06	0	238	0	0	108	7	7975	4.43
07	0	259	0	0	112	6	8187	4.6
08	0	316	1	0	100	3	7820	5.37
09	0	338	0	0	95	2	7324	5.94
10	0	339	0	0	87	11	7087	6.17
11	0	247	1	0	81	2	6068	5.45
12	0	172	1	0	50	4	5286	4.29
13	0	155	1	0	56	3	4742	4.53
14	0	88	1	0	29	0	3878	3.04
15	0	46	1	0	20	2	3238	2.13
16	0	15	2	0	24	3	2703	1.63
17	0	8	0	0	3	5	1770	0.9