FILE PHOTO: Robert F. Kennedy Jr., U.S. President Trump's nominee to be secretary of Health and Human Services, testifies before a Senate Health, Education, Labor, and Pensions (HELP) Committee confirmation hearing on Capitol Hill in Washington, U.S., January 30, 2025.Shares of vaccine companies fell on Tuesday after a Senate panel voted to advance Robert F. Kennedy Jr.'s nomination to lead the Department of Health and Human Services to the full chamber. The committee voted 14 to 13 to advance Kennedy in a ...