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."

Robert F. Kennedy Jr., secretary of health and human services, appointed eight new members of an expert panel that advises the federal government on immunization policy, including several vocal vaccine critics and one who identifies as an “anti-vaxxer.

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.