Add Yahoo as a preferred source to see more of our stories on Google. The CDC currently recommends that you “wear the most protective mask you can that fits well and that you will wear consistently.” ...

The Centers for Disease Control and Prevention (CDC) has changed its guidelines about masks and respirators a number of times over the past two years and gave its most recent update on January 14, ...

A doctor in the US claims this photo shows the difference a face mask can make fighting COVID spread — but not everyone agrees. In a Twitter thread that has since gone viral, microbiologist Dr Richard ...

This is Work in Progress, a newsletter by Derek Thompson about work, technology, and how to solve some of America’s biggest problems. Sign up here to get it every wee k. In the past few weeks, the ...