RFK Jr. Sought to Stop Covid Vaccinations 6 Months After Rollout

Robert F. Kennedy Jr. petitioned the F.D.A. to revoke authorization of the shots at a time when they were in high demand and considered life-saving.

Eyeing Potential Bird Flu Outbreak, Biden Administration Ramps Up Preparedness

The administration is committing an additional $306 million toward battling the virus, and will distribute the money before President-elect Donald J. Trump takes office.