The man who hopes to be President Donald Trump’s health secretary said he needed to see data showing vaccines are safe, but when an influential Republican senator did so, he dismissed it.

R obert F. Kennedy Jr., President Trump’s pick to head the U.S. Department of Health and Human Services (HHS), was grilled by Democratic senators during his confirmation hearing on Jan. 29 and Jan. 30, who confronted him with conspiratorial and conflicting statements he has made about COVID-19.

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.

Senate Democrats grilled Robert F. Kennedy Jr. over his various controversial statements including his stance on vaccines during his confirmation hearing to be President Donald Trump’s health and human services secretary,

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

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,