To block a variant this transmissible, scientists say you need an N95 or other high-filtration mask. Here's how to find a good one and when to wear it.

There's a lot we don't know about the new COVID variant. Many people are wondering if they can fly and go to holiday parties and restaurants — or should just hide out. We asked doctors for answers.

Last winter the number of flu cases was pretty low — likely a result of COVID precautions people were taking. Does that mean we have fewer antibodies — and a greater risk of catching something now?

Thousands of NPR readers shared what they'd say if someone asked them why they are wearing a mask. Here's a selection of their responses.

Should you quarantine? Get tested? Mask up? Insist on masks for others? There are many tricky situations to navigate in our delta variant, semi-vaccinated world. Here's advice from experts.

"If they laugh at me about a personal story about my grandmother, that's just disrespectful, I feel," Tennessee teenager Grady Knox reportedly said.

Two professors invited indigenous artisans to make masks portraying the agent of the pandemic — the coronavirus — through the lens of their cultural traditions.

The judge said DeSantis overstepped his authority when he ordered schools not to require masks for students. COVID-19, especially the delta variant, is spreading rapidly across the Florida.

Albany-based Dr. Winston Price says if vaccination rates do not improve, schools will see outbreaks of the highly contagious delta variant of the virus. 

September was expected to be the month of mass returns to the office. Now the surging extra-contagious coronavirus variant has employers wondering what to do.

American Michael Andrew isn't wearing a mask while speaking to journalists. He says it's hard to breathe after a race. U.S. Olympic officials initially said he broke protocol, but then said it's OK.

It's a bold look that has been compared to the masked Batman villain Bane — even by the Japanese organizers of the Tokyo Games. The mask is voluminous and is a nod to the host country, Japan.

Congress's attending physician announced vaccinated and unvaccinated House members will again have to mask up while in the U.S. Capitol or risk a fine.

A World Health Organization representative just advised wearing masks after vaccination. The CDC has a different perspective. We asked public health specialists to weigh in.

As states across the U.S. begin lifting indoor mask mandates for the fully vaccinated, there's widespread confusion. Both businesses and customers are struggling over their decisions on mask-wearing.