If you only have a single-layer or loose-fitting mask, it may be smart to wear two at once. To double up, wear one cloth mask over another, or wear a cloth mask over a surgical mask. Experts have long ...

Add Yahoo as a preferred source to see more of our stories on Google. Mordkin says that with a good quality mask that has multiple layers (or when you’re double masking), filters aren’t entirely ...

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DENVER — In late December, state health officials found the first case of the B-117 coronavirus variant in Colorado. As the country races to get the vaccine in arms, doctors urge the public to double ...

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Dr. Anthony Fauci adjusting his face mask during a Senate Health, Education, Labor and Pensions Committee hearing on June 30. Credit: Al Drago/Pool via REUTERS Homemade cloth masks should have at ...

To protect yourself from the Omicron COVID-19 variant, which is more than twice as contagious than the Delta variant, researchers, public-health experts, and infectious-disease doctors now suggest ...

An Indian American-led research team at U.C. San Diego reports that if you are going to buy a face mask to protect yourself and others from COVID-19, make sure it’s a three-layered mask. The Abhishek ...