Senator Bernie Sanders, Independent of Vermont, brought up the Children’s Health Defense, which is the organization Mr. Kennedy co-founded that has spread falsehoods about vaccinations for children, pulling up images of onesies sold by the nonprofit that read “Unvaxxed, Unafraid” and “No Vax, No Problem.”

Kennedy Jr. scrapped with senators for more than four hours Wednesday, trying to defend everything from his “conflicting” claims on vaccines to his stance on abortion to past statements that the virus causing COVID-19 was “ethnically targeted” against black and Caucasian people.

HHS Secretary nominee RFK Jr. and Democratic Sen. Ron Wyden were involved in a heated exchange about Kennedy's past comments during his confirmation hearing on Wednesday.

Over rigorous questioning from senators Wednesday, Robert F. Kennedy Jr. laid out his vision to lead the Department of Health and Human Services, while backtracking on his past statements in support of abortion and against vaccines.

Over many years, Kennedy has been clear about his beliefs on vaccines in dozens of interviews, podcasts and social media posts.

Robert F. Kennedy Jr. pushed back on questioning from Sen. Ron Wyden (D., Ore.) about his vaccine views. “I support the measles vaccine. I support the polio vaccine. I will do nothing as HHS secretary that makes it difficult or discourages” for people to get those vaccines,

Watch live as RFK Jr. faces questions from senators in his confirmation hearing as President Trump’s nominee to lead the Department of Health and Human Services.

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. was accused of contradicting himself on vaccines in a heated exchange during his senate confirmation hearing Wednesday.

Robert F. Kennedy Jr. was pressed to clarify his views on vaccines, abortion, and public health priorities in his first Senate hearing.