One of the Centers for Disease Control and Prevention’s top vaccine specialists has warned that Robert F. Kennedy Jr.’s anti-vax policies will cause “a lot of Americans to die” after resigning from the agency on Monday.

A panel of key government advisers appointed by Health and Human Services Secretary Robert F. Kennedy Jr. will weigh in on an infrequently used vaccine preservative that has been wrongly linked to autism in the past.

A senior scientist at the U.S. Centers for Disease Control and Prevention (CDC) has resigned, warning that changes in leadership may weaken the country’s vaccine program. Dr. Fiona Havers, who led the CDC’s tracking of hospitalizations from COVID-19 and RSV (respiratory syncytial virus),