The Centers for Disease Control and Prevention says you should double up on wearing masks. University of North Carolina researchers put that idea to the test, running trials to see how much extra ...

Melania Trump on Sunday tweeted her second message in 48 hours about the importance of taking seriously federal guidelines for people to wear masks or face coverings as coronavirus continues to spread ...

A study involving more than 340,000 people in Bangladesh offers some of the strongest real-world evidence yet that mask use can help communities slow the spread of Covid-19. The research, conducted ...