Fact Check: 'Gold Standard' Scientific Trial Does NOT Prove N95, Surgical Masks Ineffective In Preventing COVID-19 Transmission
Fact Check
Does a "gold standard" scientific trial prove that N95 respirators and surgical masks are ineffective at preventing the spread of COVID-19? No, that's not true: This claim misrepresents the intent and findings of the trial, the study author told Lead Stories. Canadian researchers conducted a randomized controlled trial (RCT) to determine "if medical masks offer similar protection against COVID-19 compared…