INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2008 - 2009 Season

Week	A(H1)	A(H3)	A(Unk)	B	Total # Tested	% Positive
40	3	0	8	7	2591	0.69
41	4	4	8	6	2630	0.84
42	13	3	15	6	2739	1.35
43	22	0	24	14	3188	1.88
44	11	2	21	5	3311	1.18
45	29	2	23	10	3899	1.64
46	27	2	23	13	4126	1.58
47	27	1	31	21	4471	1.79
48	36	1	47	23	4556	2.35
49	39	4	57	15	5241	2.19
50	67	9	66	34	5577	3.16
51	65	16	106	50	5817	4.07
52	64	11	147	48	5499	4.91
53	80	15	162	43	5668	5.29
01	128	25	235	59	5918	7.55
02	112	17	360	74	5266	10.69
03	74	14	420	80	3711	15.84