Harvard researchers who rely on federal grants to study cancer, infectious diseases, and a range of other topics began receiving termination notices en masse on Thursday from a number of federal agencies.

Julia Marcus, a Harvard infectious disease epidemiologist and associate professor at Harvard Medical School, is one of them. She had three federal grants related to PrEP, a revolutionary medication that can reduce someone’s risk of contracting HIV, canceled in March.

Harvard University announced Wednesday it will begin allocating its own funds to support research efforts after the Trump administration cut