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Adjusted odds ratios for risk factors for influenza virus infection in Iquitos, Peru
| Influenza A or B virus infection | |
|---|---|
| Adjusted OR (95% CI) | |
| Age | |
| 0–4y | 1 |
| 5–14y | 0·63 (0·34–1·22) |
| 15y+ | 0·21 (0·12–0·40) |
| Cooking fuel | |
| Gas | 1 |
| Gas/wood | 1·50 (0·85–2·71) |
| Wood | 1·86 (1·08–3·29) |
