Robert F. Kennedy's nomination will put Republican lawmakers' loyalty to the test, as the former Democrat holds a range of unorthodox positions that could alienate both conservatives and liberals.

Robert F. Kennedy Jr. will face the Senate Health Committee on Thursday morning for a second day of confirmation hearings, after testifying before the Senare Finance Committee on Wednesday.

PolitiFact is live fact-checking the confirmation hearings for Robert F. Kennedy Jr. and Kash Patel, two of President Donald Trump's Cabinet picks.

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.

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

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

Robert F. Kennedy Jr. was confronted with a number of his baseless claims and a vexing abortion issue. But Republican senators treaded lightly.

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

Mr Kennedy’s nomination could fail to move forward if Senator Bill Cassidy joins Democrats in voting against him. Read more at straitstimes.com.

Robert F. Kennedy Jr., a former presidential candidate and environmental activist, endorsed Donald Trump last year and threw his weight behind a campaign to “Make America Healthy Again.” For the past two decades he has been best known for airing skeptical views on vaccines.

Robert F. Kennedy Jr. was pressed to clarify his views on vaccines, abortion and public health priorities in the first of two senate hearings as he tries to make the case to become President Donald Trump’s health secretary.

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