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	3724	2.09
41	0	13	36	0	43	36	4100	3.12
42	0	8	35	0	53	45	4239	3.33
43	0	13	55	0	47	53	4351	3.86
44	0	12	61	0	68	106	4734	5.22
45	0	15	78	0	95	164	5553	6.34
46	0	23	121	0	109	238	5766	8.52
47	0	11	153	0	158	266	5650	10.41
48	0	34	181	0	133	261	6187	9.84
49	0	46	356	0	131	310	6341	13.29
50	0	83	547	0	278	530	7564	19.01
51	0	98	782	0	447	671	8000	24.98
52	0	190	994	0	536	655	9088	26.13
01	0	328	1147	0	595	575	10510	25.17
02	0	546	1194	0	689	598	10251	29.53
03	0	816	1417	0	754	737	11113	33.51
04	0	1043	1481	0	960	966	12988	34.26
05	0	1193	1449	0	1143	1134	13860	35.49
06	0	1235	1462	0	1206	1183	14670	34.67
07	0	1397	1531	0	1447	1368	16411	34.99
08	0	1138	1210	0	1048	1203	14466	31.79
09	0	939	969	0	765	893	12923	27.59
10	0	664	798	0	517	688	11377	23.44
11	0	435	580	0	381	555	9708	20.1
12	0	259	415	0	275	407	8378	16.19
13	0	161	263	0	174	285	6971	12.67
14	0	87	197	0	93	252	6398	9.83
15	0	46	140	0	58	149	5331	7.37
16	0	30	56	0	28	79	4403	4.38
17	0	9	26	0	29	61	3745	3.34
18	0	11	18	0	10	23	3255	1.9
19	0	2	11	0	11	14	3009	1.26
20	0	0	5	0	4	10	2645	0.72
21	0	2	4	0	6	4	2374	0.67
22	0	1	0	0	6	5	2085	0.58
23	0	0	0	0	1	4	1911	0.26
24	0	2	1	0	6	0	1798	0.5
25	0	0	0	0	0	2	1701	0.12
26	0	2	0	0	1	1	1354	0.3
27	0	2	1	0	1	1	1318	0.38
28	0	0	3	0	0	3	1279	0.47
29	0	0	3	0	0	5	1318	0.61
30	0	0	0	0	2	1	1144	0.26
31	0	3	2	0	3	2	1229	0.81
32	0	0	3	0	6	2	1263	0.87
33	0	2	5	1	5	3	1405	1.14
34	0	0	5	1	5	5	1505	1.06
35	0	1	2	0	9	1	1595	0.82
36	0	0	3	0	7	0	1620	0.62
37	0	0	4	0	11	2	1670	1.02
38	0	1	3	0	9	7	1641	1.22
39	0	1	3	0	10	5	1395	1.36