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.’s nomination to be the nation’s top health official is uncertain after a key Republican joined Democrats to raise persistent concerns over the nominee’s deep skepticism of routine childhood vaccinations that prevent deadly diseases.

Kennedy Jr., President Donald Trump’s nominee to lead the Department of Health and Human Services, is scheduled to return to Capitol Hill on Thursday to face a second Senate panel in as many days as he vies for confirmation to lead a nearly $2 trillion agency.

Kennedy also said gender-affirming care for children has "catastrophic" impacts and that children are not equipped to make judgments about receiving such care. He said he would re

Sen. Bill Cassidy, the chairman of the Senate Committee on Health, Education, Labor and Pensions, explains why he is concerned about Robert F. Kennedy Jr. becoming the next secretary of Health and Human Services.