Read full article: Here’s what we know about the omicron variant of COVID-19 so far A COVID-19 virus model. Read full article: This may be the last PDF app you ever need There's a new type of smart ...
For months, scientists have been saying masks reduce transmission of COVID-19. They now think masks can also make the illness less severe. The reason is the barrier created by a mask likely limits the ...
It's time to up your mask game. With new, more contagious strains of the coronavirus spreading in the U.S., and transmission levels still very high in many places, some public health experts recommend ...