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| Causes of mortality | A(H1N1) (n = 16) | A(H3N2) (n = 9) |
|---|---|---|
| ARDS (*) | 4 | |
| Pneumonia. Multiorgan failure. Septic shock. | 3 | 4 |
| Septic shock. Heart disease. | 3 | |
| Heart disease | 2 | 2 |
| Heart disease. Renal disease. | 1 | |
| Renal disease. Rectal bleeding. | 1 | 1 |
| Neutropenia. Multiorgan failure. | 1 | |
| Airway aspiration | 1 | |
| Bilateral pneumonia. Pneumothorax. | 1 | |
| Lung disease. Bowel perforation. | 1 |
(*) ARDS: Adult respiratory distress syndrome
