Jerome Adams, who served as U.S. surgeon general in President Donald Trump ’s first administration, on Sunday issued a forceful rebuke of Health and Human Services Secretary Robert F. Kennedy Jr.’s response to a recent shooting at the headquarters of the U.S. Centers for Disease Control and Prevention in Atlanta.

Adams, who served as surgeon general during the first Trump administration, said Kennedy's assertions about the efficacy of mRNA vaccines are "simply not true."

A former U.S. surgeon general on Sunday said Health and Human Services Secretary Robert F. Kennedy Jr. “failed” in his response to the shootings that took place on Friday at the Centers for Disease Control and Prevention headquarters in Atlanta.