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."

Kennedy, Jr. announced eight new members, including a physician criticized for spreading COVID-19 misinformation and conspiracy theories. Vaccine experts warned Kennedy's abrupt termination of the entire committee on June 9 would create public distrust around the government's role in promoting public health.

An emergency-room doctor, critics of COVID-19 vaccines and an obstetrician who advises a supplement company are among the advisers handpicked by vaccine sceptic Robert F. Kennedy Jr, the head of the US Department of Health and Human Services (HHS),