Some coronavirus face coverings actually make risk worse, scientists find – how well does your mask work?

Scientists have carried out tests on 14 different styles of face masks and discovered that some actually increase the risk of Covid-19 infection.

Researchers at Duke University in North Carolina studied everything from protective covering used by doctors to bandanas and knitted masks.

#Facemasks #COVID19 #Risk #Science

Aug 11 2020, 08:44 AM