Florida Gov. Ron DeSantis and the state’s top health department official are directly contradicting federal health recommendations and warning residents against getting a new COVID-19 booster, saying there’s not enough evidence it provides benefits that outweigh risks.

DeSantis, who is running for president, and Florida Surgeon General Joseph Ladapo discussed the vaccine with doctors Wednesday on a Zoom call livestreamed on X, the platform formerly known as Twitter. It repeated much of what they said a week ago during a live event in Jacksonville, in which they warned against the vaccine that the U.S. Food and Drug Administration approved and the Centers for Disease Control and Prevention recommended this week.

Ladapo’s previous warnings against COVID-19 vaccines prompted a public letter from federal health agencies saying his claims were harmful to the public.