A physician-scientist, Dr. John’s NIH-funded research focuses on microbial metabolism. Her translational studies aim to develop new diagnostics for malaria, SARS-CoV-2 infection, and MIS-C, and to develop new therapies for drug-resistant infections. Dr. John is an investigator in the Pathogenesis of Infectious Diseases of the Burroughs Welcome Fund. She has received numerous accolades, including awards from the American Chemical Society, March of Dimes, and the IDea Incubator Grand Prize from the Infectious Diseases Society of America.