Long COVID is now defined as a heterogeneous, infection-associated chronic condition present for at least 3 months after SARS-CoV-2 infection. Author Leora Horwitz, MD, MHS, of NYU Grossman School of Medicine joins JAMA Executive Editor Gregory Curfman, MD, to discuss the JAMA article "2024 Update of the RECOVER-Adult Long COVID Research Index." Related Content: