The lawsuit alleges that a decision in May to remove COVID-19 vaccines from the federal list of recommended vaccines for healthy children and pregnant women was unlawful.

During his Senate confirmation hearings, Health Secretary Robert F. Kennedy Jr. suggested he wouldn’t undermine vaccines. “I am not going to go into HHS and impose my preordained opinions on anybody at HHS,” he said. “I’m going to empower the scientists at HHS to do their job and make sure that we have good science that is evidence based.”