For more than 20 years, Harvard infectious disease specialist Roger Shapiro has been working to help curb HIV infection in Botswana, and progress has been steady. Recently he and other researchers were working on a trial with the potential to help some children control HIV without the need for treatment. “It is the only study in pediatrics looking at three antibodies as combination treatment for HIV and ultimately as a path toward HIV cure,” said Shapiro, a professor of immunology and infectious diseases at the Harvard Chan School. “It’s really exciting science, since we are testing whether some children can go off all treatment and control HIV on their own.” In May, the five-year grant supporting the study was slashed as part of the Trump administration’s mass cancellation of Harvard research funds. “This was one of the largest funded studies to begin making inroads in this field,” Professor Shapiro said. “Now all this science is up in the air. It has the potential to set back the...