At a Sept. 4, 2025, hearing before the Senate Finance Committee, Health and Human Services Secretary Robert F. Kennedy Jr. faced heated questions from numerous senators about his vaccine policies, including his stance on COVID-19 vaccines and mRNA vaccine technology generally.
Although Kennedy agreed that Operation Warp Speed, President Donald Trump’s signature initiative to produce COVID-19 vaccines in nine months, was a tremendous achievement, he also maintained that COVID-19 vaccines cause widespread and serious harm, including death, particularly in young people – a claim for which there is no evidence.
