Robert F. Kennedy Jr., President Trump’s nominee for health secretary, repeatedly confused Medicare and Medicaid. He also tried to convince senators he was not against vaccines, despite past statements.

In a strongly worded letter, Caroline Kennedy urged the Senate to reject Robert F. Kennedy Jr. for the role of Health and Human Services Secretary.

Robert F. Kennedy Jr., who awaits confirmation as Donald Trump's Health and Human Services secretary, helped organize mass litigation over the HPV vaccine, which the CDC recommends as a routine immunization to prevent cervical and other cancers.

Beneath the bipartisan concerns from senators about Kennedy's qualifications is an array of financial conflicts of interest that could present additional hurdles.

By Christina Jewett and Sheryl Gay Stolberg Robert F. Kennedy Jr., President Trump’s nominee to be health secretary, would have oversight power over the vaccine’s maker, Merck, if confirmed.

Bernie Sanders showed off images of baby onesies sold by the Children's Health Defense, a non-profit that Kennedy started that has pushed policies to end vaccine mandates. The clothing contained messages such as "no vax,

Robert F. Kennedy Jr’s confirmation hearings began Wednesday before the Senate Finance Committee. He appears before the Health, Education, Labor and Pension committee on Thursday. Experts generally agree and have been concerned about this for years, especially rising rates of obesity and diabetes.

Kennedy Jr. rejected characterizations of him as an anti-vaxxer in a Senate hearing Wednesday where senators will weigh his confirmation as Health and Human Services Secretary—as his former billionaire running mate threatens to fund primary challenges against lawmakers who vote against him.

Robert F. Kennedy Jr. faces high-stakes Senate hearings as he seeks confirmation for Health Secretary. This live blog is now closed.

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

A conservative group founded by former Vice President Mike Pence is urging Republicans to reject Robert F. Kennedy Jr. as Health and Human Services Secretary, citing his support for abortion access—as some GOP senators who have expressed concerns about his controversial vaccine views have not said whether they will vote to confirm Kennedy.