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Etiology of Documented Viral Respiratory Infections
| Respiratory Virus | Control Subjects | COPD Subjects |
||
|---|---|---|---|---|
| Total | Mild Obstruction | Moderate/Severe Obstruction | ||
| Picornavirus | 28 | 16 | 8 | 8 |
| Parainfluenza virus | 23 | 20 | 9 | 11 |
| Coronavirus OC43/229E | 12 | 16 | 6 | 10 |
| Influenza virus A/B | 15 | 8 | 3 | 5 |
| Respiratory syncytial virus | 9 | 8 | 5 | 3 |
| Adenovirus | 3 | 1 | 0 | 1 |
| Cytomegalovirus | 1 | 1 | 0 | 1 |
| Total | 91 | 70 | 31 | 39 |
COPD = chronic obstructive pulmonary disease.
Reprinted with permission from Am J Respir Crit Care Med.6
