To earn the vote he needed to become the nation’s top health official, Robert F. Kennedy Jr. made a special promise to a U.S. senator: He would not change the nation’s current vaccination schedule.

The program had been created about 10 years ago to help the CDC remedy embarrassing lab-safety failures. The cuts may not have an immediate impact, but they likely will haunt the nation in the months ...

After cancelling several government contracts, the Elon Musk-led DOGE has claimed that $55 billion were saved, though proof to support the estimate was missing.