Here’s a breakdown of what we know about the eight new members of the CDC's vaccine advisory panel selected by health secretary Robert F. Kennedy Jr.

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.

Seventeen vaccine experts who were dismissed from a federal advisory panel last week say they are worried that recent moves by US Health and Human Services Secretary Robert F. Kennedy Jr. will destabilize vaccine policy in the US and jeopardize access to lifesaving immunizations.