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CDC Director Rochelle Walensky. Photo: Greg Nash-Pool/Getty Images

Rochelle Walensky, director of the Centers for Disease Control and Prevention, said Friday the U.S. "may need to update" its definition for what it means to have full vaccination against COVID.

The big picture: The CDC and the FDA have officially approved boosters with every authorized vaccine in the U.S. for people who meet specific requirements. Walensky explained that since not everyone is eligible for a booster, the definition has not been changed "yet."

  • Currently, the CDC's definition is the following: "Fully vaccinated persons are those who are ≥14 days post-completion of the primary series of an FDA-authorized COVID-19 vaccine."

What they're saying: "We have not yet changed the definition of 'fully vaccinated.' We will continue to look at this. We may need to update our definition of 'fully vaccinated' in the future," Walensky said during a press briefing.

  • She also encouraged those eligible to get boosters: "If you're eligible for a booster, go ahead and get your booster," she said.

Go deeper

Jan 15, 2022 - Health

Experts warn of more COVID-19 variants after Omicron

Three COVID-19 testing companies place testing locations outside Grand Central Terminal on Jan. 14 in New York City. Photo: Alexi Rosenfeld/Getty Images

Experts are warning that subsequent COVID-19 variants are likely to come after Omicron, AP reports.

Why it matters: The warnings come as there's no guarantee that subsequent variants "will cause milder illness or that existing vaccines will work against them," underscoring the need for widespread vaccination, AP writes.

Updated Jan 14, 2022 - Axios Twin Cities

Questions about Twin Cities indoor dining vaccine mandates, answered

Illustration: Brendan Lynch/Axios

Vaccine-or-test mandates for indoor dining go into effect in Minneapolis and St. Paul on Wednesday, Jan. 19. Here are answers to some common questions on the orders:

Q: Are all restaurants covered by the requirement?

A: No, St. Paul's order only covers establishments licensed by the city. That means coffee shops, fast food chains and other places that do not serve alcohol are exempt, according to the Pioneer Press.

America can't quit polarizing politicians

Expand chart
Data: NewsWhip; Chart: Kavya Beheraj/Axios

New data finds that the nation's most polarizing politicians are often the ones that garner the most attention online.

Why it matters: Online engagement helps politicians build a bigger national profile and more fundraising power, incentivizing them be more outrageous, more polarizing and more divisive.