N95 Masks vs. Surgical Masks: Which Is Better at Preventing the Coronavirus?

Scientists have actually randomized people to wear N95 or regular surgical masks, then tracked how many people got infected with colds and flus similar to the coronavirus. This data can tell us whether N95 or surgical masks are more effective at preventing infection of respiratory viruses. The results surprised me. Coronavirus & Mask Livestream Wondering […]

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