Medical/surgical masks vs no masks
Viral respiratory illness ‐ laboratory‐confirmed influenza/SARS‐CoV‐2 · general population
Medical/surgical masks showed no clear difference in viral respiratory illness ‐ laboratory‐confirmed influenza/SARS‐CoV‐2 compared with no masks (moderate certainty).
1 finding from 1 review
- Physical interventions to interrupt or reduce the spread of respiratory viruses 2023 · Cochrane Headline outcomes onlyRR 1.01 [0.72, 1.42]6 studies · 13919 participantsModerate