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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 6.1 Viral illness | 2 | 830 | Risk Ratio (IV, Random, 95% CI) | 0.91 [0.63, 1.31] |
| 6.2 SARS‐CoV‐2 | 2 | 394 | Risk Ratio (IV, Random, 95% CI) | 0.07 [0.02, 0.23] |
