WATCH: Key moments from RFK Jr.'s Senate testimony

HHS Secretary Robert F. Kennedy Jr. faced questions from lawmakers on Thursday about vaccine policy, public health and the recent turmoil at the Centers for Disease Control and Prevention. While appearing before the Senate Finance Committee, Kennedy frequently pushed back on concerns raised by Democrats and some Republicans about some of his policy changes at HHS, like conflicting guidance on the COVID-19 vaccine. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show. Sign up for Here's The Deal with Lisa Desjardins: https://to.pbs.org/41q6E8i Subscribe for exclusive content in our newsletters: https://www.pbs.org/newshour/subscribe PBS News podcasts: https://www.pbs.org/newshour/podcasts Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS News at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok: https://www.tiktok.com/@pbsnews X: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Facebook: http://www.pbs.org/newshour