John B. Larson

Rule Changes

As of May 2026: Leading congressional push for GAO review of ACIP hepatitis B decision

In December 2025, the CDC's Advisory Committee on Immunization Practices voted 8–3 to end the universal recommendation for hepatitis B vaccination within 24 hours of birth. The committee was reconstituted by Health and Human Services Secretary Robert F. Kennedy Jr. On December 16, 2025, Acting CDC Director Jim O'Neill formally adopted the recommendation.

Updated May 10