Add Yahoo as a preferred source to see more of our stories on Google. Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said that when it comes to wearing two ...

Some disease experts have suggested wearing two masks to better protect yourself from the more transmissible variants of COVID-19 making their way around the globe, one of which has now been detected ...

Insider asked 13 leading public health experts what they're doing in the face of new variants. None are double-masking. Experts stress mask fit, layers, and fabric quality are the most important ...