Robert F. Kennedy Jr. floundered when Bernie Sanders pressed the prospective health secretary on whether the COVID vaccine saved lives. All he could say was, “I don’t know.” Although Kennedy has aimed to convince senators that he is not anti-vaccine during his two days of confirmation hearings,

Vermont Sen. Bernie Sanders questioned Health Secretary nominee RFK Jr. on vaccine stance, calling responses "troubling" and "problematic."

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.