Surgical masks reduce COVID-19 spread: study - Fox News
- Surgical masks reduce COVID-19 spread: study Fox News
- Stanford, Yale Study Shows Wearing A Mask Significantly Drops Covid-19 Spread KPIX CBS SF Bay Area
- Largest study of masks yet details their importance in fighting Covid-19 Yahoo News
- In-Depth: Study demonstrates mask effectiveness ABC 10 News
- Masks Work, Major Study Finds Gizmodo
- View Full Coverage on Google News