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.

While anti-vaxxers are thrilled, experts warn that defunding mRNA development takes away our already-proven best weapon against future pandemics.

THURSDAY, Aug. 7, 2025 (HealthDay News) — U.S. Department of Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. has canceled nearly $500 million in grants and contracts meant to support mRNA vaccine development, the agency announced Tuesday.