US Health and Human Services Secretary Robert F. Kennedy Jr.’s announcement that the Covid-19 vaccine will no longer be recommended for healthy children and pregnant women has sparked concern among many health experts. We hear from one of them who thinks this is just the latest in a line of moves that could undermine trust in science. Guest: Dr. Paul Offit, director of the Vaccine Education Center at Children’s Hospital of Philadelphia Have a question about the news? Have a story you think we should cover? Call us at 202-240-2895. Learn more about your ad choices. Visit podcastchoices.com/adchoices