INFLUENZA VIRUSES ISOLATED BY
WHO/NREVSS Collaborating Laboratories
2009 - 2010 Season

Week	A(H1)	2009 A H1N1	A(H3)	A(unable to sub-type)	A(Subtyping not performed)	B	Total # Tested	% Positive
35	2	1884	13	16	1087	4	14443	20.81
36	1	2294	6	8	1462	11	16842	22.46
37	5	2617	3	10	1707	5	18726	23.21
38	4	2859	6	24	1723	18	19498	23.77
39	4	3846	7	24	1863	17	20563	28.02
40	1	6121	2	17	2043	20	24563	33.4
41	2	8628	0	17	2211	18	29035	37.46
42	2	9735	2	27	2342	30	31866	38.09
43	1	7738	2	38	2007	19	27989	35.03
44	3	6082	3	21	1460	30	24858	30.57
45	1	4629	1	22	1155	11	21720	26.79
46	1	2715	0	21	723	13	18196	19.09
47	1	1408	3	9	448	7	13199	14.21
48	1	997	0	11	324	16	13068	10.32
49	1	610	3	7	190	4	11287	7.22
50	0	480	3	6	179	10	10578	6.41
51	3	251	0	1	141	5	8540	4.7
52	0	285	1	1	135	8	9577	4.49
01	0	266	0	3	92	8	9523	3.87
02	1	261	2	2	119	12	8616	4.61
03	0	317	1	2	125	3	8552	5.24
04	0	268	3	0	122	9	8542	4.71
05	0	290	0	0	108	6	8416	4.8
06	0	238	0	0	114	9	8205	4.4
07	0	260	0	0	114	6	8397	4.53
08	0	316	1	0	103	3	7991	5.29
09	0	338	0	0	102	5	7588	5.86
10	0	339	0	0	101	14	7379	6.15
11	0	247	1	0	83	4	6336	5.29
12	0	172	1	0	57	9	5507	4.34
13	0	157	1	0	63	5	5135	4.4
14	0	94	1	0	30	0	4406	2.84
15	0	55	1	0	20	2	3824	2.04
16	0	16	2	0	27	6	3558	1.43
17	0	13	0	0	13	8	3424	0.99
18	0	18	1	0	9	0	2644	1.06
19	0	4	0	0	10	0	1621	0.86