
Dr. Sanjay Gupta: The complicated calculus of mask-wearing
CNN
It's not easy right now to know when to wear a mask, but there are objective ways to figure this out. To start, ask yourself, what is the likelihood that I'm going to breathe in someone else's air and that air could have enough virus to infect me?
In our new world, where there's now a highly effective way to prevent the spread of Covid-19 -- vaccines -- masks still remain a complicated issue, especially since US Centers for Disease Control and Prevention relaxed its guidance on face coverings for fully vaccinated people outdoors. Now, masks aren't only tied to politics, they're also causing plenty of confusion.More Related News