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	1864	13	16	1087	4	14443	20.67
36	1	2298	6	13	1457	11	16842	22.48
37	5	2605	3	10	1707	5	18726	23.15
38	4	2826	6	24	1715	18	19158	23.97
39	4	3778	7	24	1850	17	20082	28.28
40	1	5900	2	17	1807	16	22762	34.02
41	1	8484	0	17	2115	18	28007	37.97
42	2	9682	2	27	2253	29	30868	38.86
43	1	7709	2	38	1927	19	26936	36
44	3	6037	3	21	1423	30	24048	31.26
45	1	4589	1	23	1119	9	20897	27.48
46	1	2698	0	21	678	13	17387	19.62
47	1	1386	3	9	423	7	12473	14.66
48	1	987	0	11	284	9	12339	10.47
49	1	606	3	7	171	3	10543	7.5
50	0	468	3	6	149	6	9599	6.58
51	3	237	0	1	105	3	8044	4.34
52	0	265	1	1	94	8	8358	4.41
01	0	246	0	3	69	5	8018	4.03
02	1	221	2	2	88	11	7134	4.56
03	0	251	0	2	79	3	6967	4.81
04	0	216	3	0	72	5	7010	4.22
05	0	222	0	0	71	4	6293	4.72
06	0	53	0	0	72	4	3656	3.53