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	1775	13	16	1065	3	14137	20.33
36	1	2232	5	13	1430	11	16572	22.28
37	5	2543	3	10	1707	5	18636	22.93
38	4	2783	6	24	1715	18	19103	23.82
39	4	3784	7	24	1847	17	20099	28.28
40	1	5868	2	26	1792	16	22477	34.28
41	1	8461	0	22	2110	18	27865	38.08
42	2	9566	2	28	2249	28	30553	38.87
43	1	7662	2	38	1926	20	26783	36.03
44	3	5969	3	21	1472	30	23928	31.34
45	1	4540	1	23	1145	9	20842	27.44
46	1	2661	0	21	694	14	17256	19.65
47	1	1368	3	29	421	8	12441	14.71
48	1	979	0	15	283	9	12260	10.5
49	0	598	3	9	171	3	10468	7.49
50	0	454	3	6	149	6	9528	6.49
51	3	233	0	1	105	3	8004	4.31
52	0	262	1	1	92	6	8049	4.5
01	0	214	0	3	68	5	7377	3.93
02	1	147	1	2	79	10	5943	4.04
03	0	98	0	2	62	2	3588	4.57