The dreaded coronavirus in China has many reaching for face masks across the globe.
But while mandatory in Wuhan, China, where the virus originated, a face mask is of little use, practically speaking, some experts say.
“A surgical mask might provide some protection, but it’s going to be very modest,” said Dr. William Schaffner, a professor of preventive medicine a
No definitive studies exist that prove masks prevent infections. Also, masks are designed for different purposes and only some guard against infectious diseases.
Picking the right type of mask may be key, said one researcher.
“Several studies, including research from my group, show that if worn properly, masks can protect people in the
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