INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2005 - 2006 Season

Week	A(H1N1) & A(H1N2)	A(H3N2)	A(Unk)	B	Total # Tested	% Positive
40	0	6	4	1	1847	0.6
41	0	6	4	1	2151	0.5
42	0	12	6	5	2301	1.0
43	0	6	5	2	2705	0.5
44	0	13	4	3	2777	0.7
45	1	21	13	6	3189	1.3
46	2	18	16	4	3295	1.2
47	0	19	17	3	2533	1.5
48	1	53	36	2	3218	2.9
49	1	109	68	8	3617	5.1
50	0	244	105	5	4191	8.4
51	1	276	329	9	4908	12.5
52	2	325	323	18	4913	13.6
01	0	236	257	21	4964	10.4
02	4	263	293	11	4835	11.8
03	3	245	269	14	4720	11.3
04	4	199	316	17	4118	13.0
05	2	164	302	28	3409	14.5
06	6	136	280	33	2438	18.7