Discussion on answer by CJR: Do surgical masks help prevent the spread of COVID-19 from infected members of the public?
Discussion on answer by CJR: Do surgi…
Imported from a comment discussion on https://skeptics.stackexchange.com/questions/50105/do-surgical-masks-help-prevent-the-spread-of-covid-19-from-infected-members-of-t/52284#52284
1265d ago – LаngLаngС
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