To curb the transmission of COVID-19, the Centers for Disease Control and Prevention (CDC) has recently begun to recommend using a cloth face covering when you’re out in public. But why exactly is ...

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 ...

With the delta variant surging and health officials urging indoor mask use — and requiring masks indoors for many Bay Area locations — you've likely pulled out ...

Paper towels, coffee filters, cloth and other materials can be used for homemade coronavirus face masks during the pandemic. But which are most effective? A study of homemade face masks by ...

01/28/21 Update: This article describes the benefits of filtration in homemade masks, which are similar to the protection afforded by the surging practice of double-masking. You can read more here.

Scientists are testing everyday items to find the best protection from coronavirus. Pillow cases, flannel pajamas and origami vacuum bags are all candidates. By Tara Parker-Pope Federal health ...