Face masks offer little protection against coronavirus, flu, experts warn - USA TODAY
5:39am PST - January 31st, 2020 n95 respirator - USA TodayFace masks offer little protection against coronavirus, flu, experts warn USA TODAY Protecting yourself from coronavirus: The two types of face masks that can help CNET Sold-Out Coronavirus N95 Face Masks Offer a Lesson in Price Gouging Bloomberg Can face mas…