Vaccinations

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XEC, like countless others before it, is a part of the omicron family. The variant is closely related to KP.2, the strain targeted by the updated vaccines from Pfizer and Moderna. And both XEC and KP.1 are descendants of the JN.1 strain, targeted by the updated Novavax vaccine.

“I think we have good reason to think that there will be substantial protection from the boosters that are available,” Hanage said.

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Only 45% of Americans age 50 and older say they're likely to get the updated COVID-19 vaccine this season, according to a poll today from the University of Michigan. 

The poll shows many at high risk of severe illness appear unlikely to seek the vaccine, and interest in an updated vaccine varies widely by age-group, education level, and other factors.

The results come from the National Poll on Healthy Aging conducted in August. At the time of polling, new COVID vaccines were not yet widely available, but they had been approved for use and endorsed by the Centers for Disease Control and Prevention. 

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