4 ms·
> Surgical masks aren't about protecting the wearer from everyone else, they're about protecting everyone else from the wearer [1]. They may provide the wearer
by simonsarris 7y ago
> Surgical masks aren't about protecting the wearer from everyone else, they're about protecting everyone else from the wearer [1]. They may provide the wearer some protection, but that's not really the point.
Normal people using surgical masks in public are definitely also for protecting the wearer, and do offer protection.
"Any type of general mask use is likely to decrease viral exposure and infection risk on a population level, in spite of imperfect fit and imperfect adherence, personal respirators providing most protection."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2440799/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2440799/
Additionally, the number of asymptomatic carriers who may be able to spread the disease is possibly quite large.