Why wearing a mask and breathing in less coronavirus probably means you get less sick

In places where everyone wears a mask, cases of COVID-19 seem to be less severe. Evidence from labs and outbreaks suggests that masks protect not only others, but the person wearing the mask, too.

Masks and COVID-19: When, how and why you'd wear them

13 Best Face Masks We Actually Like to Wear (2023)

Is shortness of breath a symptom of COVID-19?

Masks save lives: Here's what you need to know - Harvard Health

When and how to use masks

Effect of Wearing Face Masks on the Carbon Dioxide Concentration in the Breathing Zone - Aerosol and Air Quality Research

Debunking Global COVID-19 Myths

Lifesaver or false protection: do face masks stop coronavirus?

Does Wearing a Mask Protect Me? Some Evidence Says Yes - The New York Times