| World Health Organization ILI [5] | An acute respiratory infection with: |
| • measured fever ≥ 38C° | |
| • and cough | |
| • with onset within the last 10 d | |
| Modified ILI | An acute respiratory infection with: |
| • feeling of being warm/feverish | |
| • and cough | |
| • with onset within the last 10 d |
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