Table 1.
Frequency of detected respiratory viruses among 1018 respiratory samples tested, April 21, 2009 to February 25, 2010, sentinel network, Ontario, Canada
| Virus detected | Counts n (%) | Total n (%) |
|---|---|---|
| Influenza A/(H1N1)pdm09 | 408 (49·1) | |
| Influenza A/H3 | 2 (0·2) | |
| Influenza A/not subtyped | 42 (5·1) | |
| Influenza A subtotal | 452 (54·4) | |
| Enterovirus/rhinovirus | 129 (15·5) | |
| Human Rhinovirus | 65 (7·8) | |
| Enterovirus/rhinoviruses subtotal | 194 (23·3) | |
| Respiratory Syncytial A | 12 (1·4) | |
| Respiratory Syncytial B | 108 (13·0) | |
| Respiratory Syncytial subtotal | 120 (14·4) | |
| Parainfluenza 1 | 19 (2·3) | |
| Parainfluenza 2 | 9 (1·1) | |
| Parainfluenza 3 | 15 (1·8) | |
| Parainfluenza 4 | 3 (0·4) | |
| Parainfluenza subtotal | 46 (5·5) | |
| Coronavirus 229E/NL63* | 4 (0·5) | |
| Coronavirus HKU1 | 1 (0·1) | |
| Coronavirus OC43 | 4 (0·5) | |
| Coronavirus subtotal | 9 (1·1) | |
| Adenovirus | 6 (0·7) | 6 (0·7) |
| Human metapneumovirus | 4 (0·5) | 4 (0·5) |
| Total viruses detected | 831 (100) | 831 (100) |
*Include Coronavirus 229 E and Coronvairus 229E/NL63.