INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2010 - 2011 Season

Week	A(H1)	A(2009 H1N1)	A(H3)	A(unable to sub-type)	A(Subtyping not performed)	B	Total # Tested	% Positive
40	0	7	18	0	30	23	3725	2.09
41	0	13	36	0	43	36	4104	3.12
42	0	8	35	0	53	45	4240	3.33
43	0	13	55	0	47	53	4337	3.87
44	0	12	61	0	68	106	4735	5.22
45	0	15	78	0	95	164	5554	6.34
46	0	23	121	0	109	238	5770	8.51
47	0	11	153	0	158	266	5647	10.41
48	0	34	181	0	133	261	6196	9.83
49	0	46	356	0	131	310	6339	13.3
50	0	83	547	0	278	530	7568	19
51	0	98	783	0	447	671	8006	24.97
52	0	190	994	0	536	654	9088	26.12
01	0	328	1146	0	595	576	10513	25.16
02	0	546	1194	0	689	598	10251	29.53
03	0	816	1417	0	754	737	11122	33.48
04	0	1043	1481	0	953	966	12933	34.35
05	0	1190	1449	0	1133	1131	13779	35.58
06	0	1235	1462	0	1181	1183	14549	34.79
07	0	1396	1531	0	1430	1366	16297	35.12
08	0	1139	1210	0	1030	1203	14323	31.99
09	0	938	969	0	752	894	12830	27.69
10	0	664	798	0	513	688	11282	23.6
11	0	435	580	0	380	555	9643	20.22
12	0	259	415	0	273	406	8305	16.29
13	0	161	263	0	173	285	6911	12.76
14	0	87	197	0	93	252	6349	9.91
15	0	46	140	0	58	149	5292	7.43
16	0	30	55	0	28	79	4359	4.4
17	0	9	27	0	29	61	3697	3.41
18	0	11	18	0	10	23	3219	1.93
19	0	2	11	0	11	14	2966	1.28
20	0	0	5	0	4	10	2613	0.73
21	0	2	4	0	6	4	2350	0.68
22	0	1	0	0	6	5	2062	0.58
23	0	0	0	0	1	4	1890	0.26
24	0	2	1	0	6	0	1775	0.51
25	0	0	0	0	0	2	1687	0.12
26	0	2	0	0	1	1	1336	0.3
27	0	2	1	0	1	1	1307	0.38
28	0	0	3	0	0	3	1262	0.48
29	0	0	3	0	0	5	1310	0.61
30	0	0	0	0	2	1	1130	0.27
31	0	3	2	0	3	2	1221	0.82
32	0	0	3	0	6	2	1239	0.89
33	0	2	5	0	5	3	1386	1.08
34	0	0	6	0	5	5	1456	1.1
35	0	1	2	0	8	1	1493	0.8
36	0	0	3	0	7	0	1522	0.66
37	0	0	1	0	11	0	1423	0.84
38	0	0	3	0	5	1	928	0.97