Respiratory Virus Detections/Isolations in Canada, August 28, 2011 - October 29, 2011

**Positive Parainfluenza Tests (%) in Canada by Region by Week of Report**
Week	Week End	Canada Tests	Para%	At Tests	Para%	QC Tests	Para%	ON Tests	Para%	Pr Tests	Para%	BC Tests	Para%
35	03-09-2011	1087	2.76	20	0.00	514	1.95	203	3.94	300	4.00	50	0.00
36	10-09-2011	1109	3.97	12	8.33	574	4.18	201	5.97	294	2.04	28	3.57
37	17-09-2011	1454	2.13	27	0.00	798	2.26	231	2.16	359	2.23	39	0.00
38	24-09-2011	1439	2.71	21	0.00	664	1.81	302	4.97	390	3.08	62	0.00
39	01-10-2011	1655	4.35	37	0.00	722	5.54	383	3.13	441	4.08	72	2.78
40	08-10-2011	1729	5.38	44	0.00	712	4.49	415	7.23	469	5.76	89	4.49
41	15-10-2011	1847	5.58	36	0.00	904	5.53	415	6.51	438	5.71	54	1.85
42	22-10-2011	1620	6.42	35	8.57	447	4.70	507	9.07	449	6.68	182	2.20
43	29-10-2011	1493	5.89	43	0.00	417	4.80	451	8.20	501	4.79	81	8.64