CDC Urges Vaccinated To Mask Up Indoors In Places With High Virus Transmission

The CDC is now recommending fully vaccinated people wear masks indoors in areas where the coronavirus is circulating widely. The agency also recommends all teachers, staff and students in K-12 schools wear masks, even if they’re vaccinated

Subway riders mask up this month in New York City. Wearing masks in all kinds of indoor settings may be the safest way to slow the spread of the delta variant, many health experts say. (Daniel Slim/AFP via Getty Images)

By Allison Aubrey, NPR

The Centers for Disease Control and Prevention revised its guidance on wearing masks Tuesday. In a reversal of its earlier position, the agency is recommending that some fully vaccinated people wear masks indoors in areas where the virus is circulating widely.

The newest guidance states that in areas with “substantial and high transmission” of the coronavirus, CDC advises fully vaccinated people to wear a mask “in public indoor settings.”

This comes as the highly transmissible delta variant fuels a surge in cases around the country, and multiple cities have reinstated indoor mask mandates including Los Angeles County and St. Louis, Mo. For weeks, many public health experts had been nudging the agency to change its policy, arguing that fully vaccinated people should wear masks in indoor settings, especially in areas where transmission of the virus is high.

In addition, the agency also recommends that all teachers, staff and students of K-12 schools wear masks, even if they are vaccinated. As the delta variant spreads, particularly in areas where vaccination rates remain low, kids remain unprotected against the virus. The vaccines are not authorized for children under 12 and many teenagers have yet to get vaccinated.

The nation’s leading group of pediatricians also recommends mandatory masking in schools for all students (over 2 years old), staff and teachers, regardless of vaccination status.

In May, the agency signaled it was safe for fully vaccinated people to stop masking in most settings. At that time cases were dropping significantly, and the vaccination campaign was in full swing. Nearly 2 million shots were administered on the day the policy was announced. “You can do things you stopped doing because of the pandemic,” the CDC’s director, Dr. Rochelle Walensky, said at the time.

The hope was that dropping the mask mandate would encourage more people to get vaccinated. Back in April when the outdoor mask mandate was lifted, President Biden said that for those who haven’t been vaccinated, or feel they don’t need to be, “this is another great reason to go get vaccinated now.”

But three months later about 30% of adults in the U.S. have yet to be vaccinated. And polls suggest that up to 80% of unvaccinated adults are unlikely to change their minds.

The decision to lift the mask mandate in the spring wasn’t well thought out, said Dr. Zeke Emanuel, a health policy researcher at the University of Pennsylvania, and the agency has been delaying taking action as the delta variant spreads.

“I think the CDC position on masks has been behind the eight ball almost every step of the way,” he said. “I don’t think that they’ve been on top of the mask issue.”

The pressure on the CDC to amend its masking policy in schools has been growing. School administrators don’t have the resources to monitor who has been vaccinated or not, said Dr. Judy Guzman-Cottrill, a pediatric infectious disease expert at Oregon Health & Science University.

And, absent universal masking, kids will be left unprotected — or may be tempted to take off their masks. “I worry that some students will be singled out for wearing masks at school, and this can lead to bullying and peer pressure to unmask, even when it’s not safe to do so,” Guzman-Cottrill said.

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