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Wednesday, May 6, 2026

Gov. Ron DeSantis falsely claims bivalent booster vaccine increases ... - PolitiFact

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  • The research we found said the bivalent booster is 30% effective in preventing infection from the virus.

  • The unpublished study of health workers found that there could be an association between the number of prior vaccine doses and an increased risk of contracting COVID-19. It did not suggest the bivalent shot could increase the likelihood of infection.

  • Experts said DeSantis' conclusion could not be drawn from that study, adding that the research focused on health care employees, who are likelier to be exposed to COVID-19 and more likely to be vaccinated. It should not be applied to the general public, a Cleveland Clinic spokesperson told PolitiFact.

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As he proposed to extend the state's ban on mandates for COVID-19 vaccines and face masks, Florida Gov. Ron DeSantis lobbed a flurry of criticism at President Joe Biden and "the medical establishment."

"They were not following the science," DeSantis said at a Jan. 17 press conference in Panama City Beach. "Almost every study now has said with these new boosters, you're more likely to get infected with the bivalent booster."

Less than 11% of eligible Floridians have received an updated booster vaccine, according to the U.S. Centers for Disease Control and Prevention.

The bivalent booster, which includes components of the original COVID-19 virus and the omicron variant, is designed to provide broad protection against illness or hospitalization from the...



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