Sunday, August 22, 2021

// // Leave a Comment

Study finds N95 masks more effective than surgical, cloth coverings against COVID-19

People in masks. Surgical and cloth face coverings filter only about 10 percent of exhaled aerosols. Corbis via Getty Images. Heavy duty N95 and KN95 masks are ...

from Google Alert - health https://ift.tt/3sCbQDk
via IFTTT

0 comments:

Post a Comment