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.

Kennedy Jr. poses a direct threat to American health. Far from restoring trust—Kennedy’s stated aim—this action dismantles a process that was a model for the world, built over six decades, and will create confusion for doctors,

Fiona Havers, who oversees CDC respiratory virus data, told colleagues she no longer had confidence the data would be used objectively to set vaccine policy.