Hacker News
- Face masks for Covid pass their largest test yet https://www.nature.com/articles/d41586-021-02457-y 23 comments
- Face masks for COVID pass their largest test yet: A rigorous study finds that surgical masks are highly protective, but cloth masks fall short. https://www.nature.com/articles/d41586-021-02457-y 15 comments science
- Face masks for COVID pass their largest test yet. Face masks protect against COVID-19. That's the conclusion of a gold-standard clinical trial in Bangladesh, which backs up the findings of hundreds of previous observational and laboratory studies. https://www.nature.com/articles/d41586-021-02457-y?utm_source=twt_nat&utm_medium=social&utm_campaign=nature 39 comments science