Dr. Walensky gave an update about how you could pass COVID to someone else.
The Delta variant has changed the game.
Everything you need to know about the updated mask guidance.
To protect against the Delta variant, here's where you should be masking up this summer.
CDC Director Rochelle Walensky weighed in on the WHO's advice.
Wear a mask even if you're vaccinated, advises the WHO.
The nation's leading health expert clears up some confusion surrounding masks.
People are "misinterpreting" CDC guidance.
Fully vaccinated customers can go mask-free in these stores and restaurants.
"In the last two weeks, our cases are down in this country by about a third."
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