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	1065	3	14365	20.63
36	1	2300	6	13	1430	11	16734	22.48
37	5	2616	3	10	1707	5	18830	23.08
38	4	2847	6	24	1715	18	19276	23.94
39	4	3837	7	24	1847	17	20266	28.3
40	1	5907	2	26	1792	16	22626	34.23
41	1	8494	0	22	2110	18	28005	38.01
42	2	9599	2	28	2249	28	30684	38.81
43	1	7701	2	38	1926	20	26924	35.98
44	3	6001	3	21	1472	30	24075	31.28
45	1	4561	1	23	1145	9	20960	27.39
46	1	2674	0	21	694	14	17373	19.59
47	1	1380	3	29	421	8	12505	14.73
48	1	984	0	15	283	9	12346	10.46
49	0	608	3	9	171	3	10530	7.54
50	0	466	3	6	149	6	9593	6.57
51	3	236	0	1	105	3	8041	4.33
52	0	267	1	1	93	7	8206	4.5
01	0	242	0	3	69	6	7673	4.17
02	1	217	1	3	81	11	6408	4.9
03	0	218	0	2	70	2	5562	5.25
04	0	60	0	0	57	2	3769	3.16