After Donald Trump’s victory on Tuesday, longtime vaccine skeptic Robert F. Kennedy Jr. is poised to have tremendous influence over the way the United States regulates and distributes its vaccines. “If vaccines are working for somebody, I’m not ...

Kennedy, known as a persistent critic of vaccine safety and a booster of conspiracy theories, said it is a possibility he would be given a job requiring Senate confirmation.

In late October, the Supreme Court rejected an emergency appeal to remove RFK Jr. from the presidential ballot in two battleground states.