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INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2006 - 2007 Season

Week	A(H1N1) & A(H1N2)	A(H3N2)	A(Unk)	B	Total # Tested	% Positive
40	13	2	26	15	2368	2.4
41	20	1	37	9	2557	2.6
42	17	4	37	21	2973	2.7
43	13	2	46	23	3300	2.5
44	25	1	74	42	3847	3.7
45	18	1	90	43	4321	3.5
46	23	2	73	32	4550	2.9
47	21	2	104	27	4514	3.4
48	42	1	107	55	5637	3.6
49	54	2	122	60	5627	4.2
50	104	9	301	119	6590	8.1
51	191	10	383	133	7049	10.2
52	198	14	361	119	6679	10.4
01	125	14	231	85	6579	6.9
02	176	35	281	85	6396	9.0
03	170	42	414	74	6134	11.4
04	297	83	746	138	7042	17.9
05	349	86	1134	187	7891	22.3
06	462	101	1413	382	8518	27.7
07	396	117	1475	382	9242	25.6
08	265	128	1230	431	8831	23.3
09	146	102	903	415	7025	22.3
10	108	104	689	380	6453	19.9
11	92	59	271	194	3632	17.0