Rising Covid cases have spurred a return to mask-wearing in the U.S. and overseas, at a time when flawed KN95s from China continue to dominate e-commerce sites.
Published: November 30, 2021 at 09:00AM
from NYT Health https://ift.tt/3o6e1i4
Rising Covid cases have spurred a return to mask-wearing in the U.S. and overseas, at a time when flawed KN95s from China continue to dominate e-commerce sites.
Published: November 30, 2021 at 09:00AM
from NYT Health https://ift.tt/3o6e1i4