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| Test | No. of studies | No. of participants |
|---|---|---|
| 1 Cough | 5 | 1076 |
| 2 Wheeze | 6 | 1291 |
| 3 Coryza | 4 | 833 |
| 4 Crepitations | 5 | 1121 |
| 5 Fever | 5 | 1246 |
| 6 Rhonchi | 4 | 928 |
| 7 Shortness of breath | 1 | 245 |
| 8 Headache | 1 | 243 |
| 9 Chest pain | 2 | 488 |
| 10 Diarrhoea | 2 | 488 |
| 11 Myalgia | 1 | 245 |
