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Indoor masking no longer necessary across most of the U.S, CDC says

Nearly 70% of the population lives in areas with low to medium COVID-19 risk.
Image: A customer waiting to enter a restaurant holds a mask in San Francisco on Feb. 16, 2022.
A customer waiting to enter a restaurant holds a mask in San Francisco on Feb. 16, 2022.David Paul Morris / Bloomberg via Getty Images

Most Americans are safe going without a mask in indoor settings, including in schools, the Centers for Disease Control and Prevention said Friday.

The highly-anticipated change to the agency’s mask guidance leans less heavily on COVID-19 cases as a key metric, instead giving more weight to hospitalizations and local hospital capacity.

The new guidance puts more than half of U.S. counties under low or medium risk, where masks are no longer necessary. That accounts for roughly 70% of Americans.

It’s a dramatic shift from the previous guidance, which recommended masks in counties with substantial or high transmission, a category that covered the vast majority of the country.

The recommendations apply to everyone, not just those who are vaccinated or boosted.

Dr. Rochelle Walensky, the CDC director, said at a briefing on Friday that the change reflects that the overall risk of severe disease from COVID-19 is lower because of widespread immunity provided by vaccines or prior infection, improvements in testing, and accessibility to new treatments.

“We’re in a stronger place today as a nation with more tools to protect ourselves,” Walensky said.

The agency noted that people who are at higher risk — or those who live with people who are at risk — for COVID may still want to take extra precautions, including masking, regardless of their own community status. 

And those who still want to wear a mask can continue to do so.

People who wear a high-quality mask are well-protected, even if others around you are not masking,” Greta Massetti, a senior scientist at the agency, said at the briefing.

Most states have already lifted or announced plans to lift their indoor masking mandates, but the CDC’s recommendation may persuade any remaining holdouts, who may have been unwilling to ease mitigation measures until the agency gave its stamp of approval. It may also encourage some states or districts that have been reluctant to end mask mandates in schools.

Although masks have been required in many school districts around the country, the CDC is including schools in the new guidance because children are at lower risk for severe illness, Massetti said. The agency only recommends universal masking in schools in communities at the high level.

Children can get infected and can get sick with COVID-19, but “they’re more likely to have asymptomatic or mild infections,” Massetti said.

The relaxed guidance is an appropriate move, Dr. William Schaffner, an infectious disease expert at Vanderbilt University Medical Center in Nashville, Tennessee.

“Cases, hospitalizations, and even deaths are trending downward and have been trending downward in a sustained fashion,” he said.

The end of the pandemic?

COVID-19 cases have fallen significantly in recent weeks, following record highs driven by the omicron variant. The U.S. is averaging about 75,000 cases per day, down 65% from two weeks prior, according to NBC News’ tally.

But a relaxation of mask guidance “doesn’t mean that this is the end,” said Bill Hanage, an associate professor of epidemiology at the Harvard T.H. Chan School of Public Health.

“The virus is still going to be here. It is still going to pose a risk to people, and it’s probably going to get worse again in the fall and winter,” he said.

One unknown is whether a new variant will pop up, perhaps even more transmissible than omicron or more virulent than delta.

The omicron variant took over as the dominant strain within weeks of its discovery. A subtype of omicron, called BA.2, was detected in late January, sparking fears that the changes omicron went through might make it even more contagious. However, the prevalence of BA.2 has not risen dramatically so far, according to CDC data.

“We will have to remain alert globally to the possibility of a new variant occurring somewhere in the world coming here,” Schaffner said. “But I think we can move into a new normal.”

Walensky noted that guidance could still change in the future.

“We want to give people a break from things like mask wearing when levels are low, and then have the ability to reach for them again should things get worse in the future,” she said.

Where will I still need to wear a mask?

Despite the change, masks will still be required on federal transportation, such as airplanes and trains, according to the Transportation Security Administration. That mask mandate is scheduled to expire March 18.

“The mask requirement remains in place and we will continue to assess the duration of the requirement in consultation with CDC,” a TSA official told NBC News.

What’s more, some places with particularly vulnerable people — hospitals, nursing homes, for example — may still require masking.

“Masks are going to remain a thing,” Hanage said. “Some people are going to want to continue wearing masks because they are vulnerable, because they’re immunocompromised or because they live with somebody who’s immunocompromised.”

“We want to avoid the impression that masks are no longer useful anywhere.”