More than 14 000 infectious diseases physicians, clinical microbiologists, and public health professionals gathered in Copenhagen, Denmark, in April for the European Congress of Clinical Microbiology and Infectious Diseases (ECCMID), Europe’s largest infectious diseases conference. In this Medical News Q&A, JAMA Deputy Editor Preeti N. Malani, MD, MSJ, discusses highlights from the congress with Jacob Moran-Gilad, MD, MPH, ECCMID program director.