Pfizer's stock dropped 4.3 percent while Moderna's fell 3.1 percent and Novavax saw a 2.8 percent dip in its stock Friday morning.

Former CDC director Richard Besser critiqued President-elect Donald Trump’s pick of Robert F. Kennedy Jr. to lead the Department of Health and Human Services on Sunday, calling Kennedy “cruel” for continuing to push theories that vaccines can cause autism.

SYDNEY (Reuters) - Robert F. Kennedy Jr.'s views on vaccines are dangerous, his cousin and outgoing U.S. ambassador to Australia Caroline Kennedy said on Monday, days after Donald Trump picked him to head the United States' top health agency.

Here Are the New Members of Trump’s Administration So Far. Kennedy has long advanced the debunked idea that vaccines cause autism. He has also pushed other conspiracy

Caroline Kennedy, the U.S. ambassador to Australia, called her cousin Robert F. Kennedy Jr.’s vaccine views “dangerous.” The ambassador said she grew up with him and has known about his views “for a long time.

Robert F. Kennedy Jr.’s cousin called his vaccine views “dangerous” and contradict what most Americans likely believe. “I think Bobby’s views on vaccines are dangerous, but I don’t think most Americans share them,

Caroline Kennedy, the U.S. ambassador to Australia, bashed her cousin Robert F. Kennedy Jr. this week over his views on vaccinations, calling them “dangerous.”