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

Offit, who sits on the FDA’s Vaccines and Related Biological Products Advisory Committee (VRBPAC), made the comments after criticizing Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. for instructing the Centers for Disease Control and Prevention (CDC) to stop recommending the COVID-19 vaccine for pregnant women and children.