Face masks are reportedly selling out across China, as people try to protect themselves from the new coronavirus. But in some cases, it may be dangerous to wear certain masks
Source:
https://www.newscientist.com/article/2231535-can-an-n95-face-mask-protect-you-from-catching-the-new-coronavirus/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home