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 ...

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. You might have already heard this recommendation, but researchers have now found ...

Over the past several weeks, questions and suggestions have been raised over the potential benefit that comes with wearing three face masks — or masks made with three layers of fabric instead of one ...