“I think it’s reasonable and appropriate for people to live their lives a little more as the risk of infection goes down but to do it in a way that recognizes that, at some point, we’re going to have another wave,” said Dr . David Dowdy, an epidemiologist at the Johns Hopkins Bloomberg School of Public Health. “And we’re going to need to be willing to buckle down just a little bit in the future.”

Worries about infection have dipped among both vaccinated and unvaccinated Americans. Still, roughly two-thirds of vaccinated Americans say they are at least somewhat worried about COVID-19 infection. About 4 in 10 unvaccinated Americans say the same.

Amie Adkins, of Gassaway, West Virginia, who is unvaccinated, said she was “surrounded” by omicron but never worried about getting it, counting on a mask and good hygiene to protect herself. Data shows unvaccinated people are at much higher risk for serious illness and death than people who got the shot.

“Even after all that, if we’re going to get something, we’re going to get it, and there’s nothing we can do about. So there’s no use worrying about it,” said Adkins, a 43-year-old stay -at-home mom.

Public support for masking requirements also has ticked down, though Americans are still more likely to favor than oppose requiring masks in public, 50% to 28%, in the new poll. In August 2021, 55% were in favor. Support was much higher , at roughly three-quarters of the public, in 2020.

George Reeves, an 83-year-old semiretired electrical engineer in Raleigh, North Carolina, said his mask might come off soon.

“It’s a risk-reward kind of thing,” said Reeves, who is vaccinated. “There’s some guesswork involved, but is it worth the hassle? Probably pretty soon it won’t be worth the hassle of messing with masks.”

More broadly, concern about the spread of infectious diseases as a threat to the US has fallen sharply from a clear majority just six months ago, according to the poll.

About half of Americans now say they are “extremely” or “very” concerned about the threat posed by infectious diseases, down from roughly two-thirds in August. Still, only about 2 in 10 are not concerned.

The current level of concern is similar to an AP-NORC poll in January 2019, well before the global pandemic.

Dave Pitts, a computer engineer and college math and science tutor in Denver, is vaccinated, doesn’t socialize much and wears a mask when he goes out, so he’s not that worried about getting COVID-19. But Pitts — who spent three miserable weeks battling influenza in the 2009 H1N1 pandemic — predicts infectious disease will continue to pose a huge threat to the country.

He worries about a new, even deadlier variant of the coronavirus.

“I think we’re in a better position now, but I think the minute spring break hits, we’re going to see something worse show up,” he said. “I think humanity’s too dumb to be free of this just yet. “

The US is still reporting about 80,000 new, confirmed infections per day as the pandemic enters its third year.

In North Carolina, Reeves’ restaurant gift certificates have been collecting dust for two years. He said that will soon change as the virus eases its grip.

“After getting vaccinated, the probability of a bad result is really low. I’m reasonably well protected,” he said.

Martinez, the Nebraska transportation dispatcher, said she looks forward to “actually taking a vacation now, a vacation to try to feel as normal as possible. Maybe Mexico. Mexico sounds wonderful right now.”

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The AP-NORC poll of 1,289 adults was conducted Feb. 18-21 using a sample drawn from NORC’s probability-based AmeriSpeak Panel, which is designed to be representative of the US population. The margin of sampling error for all respondents is plus or minus 3.7 percentage points.