loading . . . Platelet Transfusion in Preterm Infants, Pediatric Solid Organ Transplants, Measles Case Tracking, and more Editor’s Summary by Kirsten Bibbins-Domingo, PhD, MD, MAS, Editor in Chief, and Preeti Malani, MD, MSJ, Deputy Editor of JAMA, the Journal of the American Medical Association, for articles published from September 13-19, 2025. https://ja.ma/4gxOWpP