Sen. Bill Cassidy, the top Republican on the Senate Committee on Health, Education, Labor and Pensions, concluded Thursday's hearing by saying he was "struggling" with the nomination due to Kennedy's vaccine positions. Kennedy notably refused to say vaccines don't cause autism as he faced pointed question from lawmakers.

Robert F. Kennedy Jr. has said vaccines are not safe. His support for abortion access has made conservatives uncomfortable.

Kyra Kennedy, 29, is the youngest daughter of health secretary nominee Robert F. Kennedy Jr.

Cassidy is expected to challenge RFK Jr. on his vaccine skepticism and views on public health in today's confirmation hearing.

President Donald Trump nominated Robert F. Kennedy Jr. to lead the Department of Health and Human Services on Nov.

As the U.S. Senate confirmation hearings continue for President Donald Trump’s Cabinet picks, PolitiFact is live fact-checking the hearings for FBI

Democrats harshly criticized President Donald Trump for a news conference Thursday in which he said that his predecessors and diversity were to blame for Wednesday night’s fatal collision of an Army helicopter and an American Airlines passenger plane landing at Ronald Reagan National Airport.

If approved, Kennedy will control a $1.7 trillion agency that oversees food and hospital inspections, hundreds of health clinics, vaccine recommendations and health insurance for roughly half the country.

Kathleen "Kick" Kennedy is the eldest daughter of Robert F. Kennedy Jr., who could be confirmed as health secretary in Trump's administration.

The man who hopes to be President Donald Trump's health secretary said he needed to see data showing vaccines are safe, but when an influential Republican senator did so, he dismissed it.