Paul Offit knows vaccines. A trained doctor, he spent 26 years working in pediatric infectious disease and studying the rotaviruses before ultimately creating the strain that became the RotaTeq vaccine.

The 17 members of the CDC's vaccine advisory committee, who were ousted last week, argued their abrupt dismissal has "left the U.S. vaccine program critically weakened."

U.S. Secretary of Health and Human Services Robert F. Kennedy, Jr., abruptly removes all 17 sitting members of the CDC’s Advisory Committee on Immunization Practices (ACIP). An epidemiologist explains