A U.S. government scientist who oversees the team responsible for collecting data on COVID-19 and RSV hospitalizations used to shape national vaccine policy has resigned, citing concerns over how such data would be used by the Trump administration.

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.

It scares me to think of what’s ahead,” said Michael Osterholm, director of the University of Minnesota’s Center for Infectious Disease Research and Policy. One of the members of the committee, who spoke on condition of anonymity for fear of reprisals,