3 ms·
CDC: Masks reduce your chance of Covid-19 infection by more than 80%
- josephcsible 5y agoAre there any studies that back up this assertion? And what kind of masks exactly were tested?
- sp332 5y agohttps://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC7253999/#__ffn_sectitle https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC7253999/#_... It mentions surgical masks and N95 masks.
- thro1 5y agoIs there any data in which places on the Earth the norm is to cover your mouth when coughing? Anecdata: in the London tube it seems normal that someone can cough straight in your face then say "I have mask exemption". If not masks, I wish that one thing could be fixed.