The Nobel Prize-winning technology underpinning COVID-19 vaccines is also fueling a host of biotechs developing treatments for cancers, cystic fibrosis, and rare diseases.

This was one in a continuing line of moves that have put Kennedy's vaccine skepticism into public policy, though scientists say the vaccines are safe.

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."