Robert F. Kennedy Jr.’s leadership at Health and Human Services has led to changes in vaccine recommendations and access, sparking concerns among medical experts.

Health and Human Services Secretary Robert F. Kennedy Jr. said Monday he is working to overhaul the Vaccine Injury Compensation Program (VICP), which is aimed at compensating people who have been

It’s Kennedy’s latest reform in how the country regulates vaccines. He replaced the CDC’s Advisory Committee on Immunization Practices, which recommends vaccine guidance. That panel recently voted to stop recommending flu shots with thimerosal.