Table 1 Percentage of signs and symptom of influenza A (H1N1)v in confirmed cases
From: Intensive care adult patients with severe respiratory failure caused by Influenza A (H1N1)v in Spain
| Fever (96%) |
| Cough (88%) |
| Myalgia (69%) |
| Headache (59%) |
| Sore throat (58%) |
| Sudden onset of symptoms (46%) |
| Malaise (30%) |
