Respiratory Virus Detections/Isolations in Canada, August 28, 2011 - October 1, 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	830	3.01	20	0.00	257	1.95	203	3.94	300	4.00	50	0.00
36	10-09-2011	821	3.90	11	9.09	287	4.18	201	5.97	294	2.04	28	3.57
37	17-09-2011	1044	1.92	27	0.00	399	2.26	231	2.16	348	1.72	39	0.00
38	24-09-2011	972	2.88	21	0.00	332	1.81	302	4.97	255	2.75	62	0.00
39	01-10-2011	1288	3.96	37	0.00	361	5.54	383	3.13	435	3.91	72	2.78