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 ...

Wearing two face masks, or double masking, can substantially reduce a person’s exposure to coronavirus particles, according to a new study by the Centers for Disease Control and Prevention. The CDC ...

There are many steps that you can take to help prevent the spread of SARS-CoV-2, the new coronavirus that causes COVID-19. One of these is wearing a mask. When it comes to masks, there are a variety ...

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 ...

In a new study, researchers used principal component analysis along with fluid dynamics simulation models to show the crucial importance of proper fit for all types of masks and how face shape ...

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