Robert F. Kennedy Jr.'s long record of doubting the safety of childhood vaccinations persisted as a flash point for him Thursday in a confirmation hearing where senators, including a key Republican, shared intensely personal details about the impact vaccine skepticism had on their lives.

Kennedy, a Democrat who ended up supporting Trump in the 2024 presidential campaign, faced a confirmation grilling Wednesday over his controversial views -- on everything from vaccines to abortion -- that have both Republicans and Democrats raising concerns.

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,