With a new, more contagious strain of Covid-19 circulating throughout the U.S., some experts are asking: Is it time for the double mask? Wearing one mask on top of another is a move embraced by many,..
The CDC just issued a grave warning in the midst of the worst covid surge we’ve seen to date: The mutant b.1.1.7 variant of the coronavirus could become the dominant strain in the U.S. by March.