Robert F. Kennedy Jr.'s long record of questioning the safety of childhood vaccinations persisted as a flash point for him Thursday during a confirmation hearing where a key Republican quickly raised concerns about his views.

RFK Jr. claimed he is not “anti-vaccine” and appeared unfamiliar with key aspects of healthcare insurance programs in his confirmation hearing.

Robert F. Kennedy Jr. goes before two two U.S. Senate hearings in his quest to head the nation's health department. Louisiana Sen. Bill Cassidy, a doctor, sits on both.

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

Click in for more news from The Hill{beacon} Health Care Health Care   The Big Story All eyes on Cassidy for second RFK Jr. hearing Sen. Bill Cassidy (R-La.), chair of the Senate

Mr. Kennedy appears to have most Republicans behind him as he seeks the job of health secretary, though he couldn’t escape his past stances on vaccines and abortion.

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

Caroline Kennedy said in a scathing letter about her cousin, Robert F. Kennedy Jr., that she felt "an obligation to speak out."

HHS nominee Robert F. Kennedy Jr. will answer questions today from Republicans Susan Collins of Maine, Bill Cassidy of Louisiana, and Lisa Murkowski of Alaska, all members of the Health, Education, Labor and Pensions Committee.

During the first round of his Senate confirmation hearings on Wednesday, Robert F Kennedy Jr, President Donald Trump’s pick for US Department of Health and Human Services secretary, appeared to be at odds with his past self.

Robert F. Kennedy Jr. will appear Thursday morning before the Senate health committee for a second confirmation hearing. Lawmakers will likely question him about his shifting beliefs on vaccines and abortion.