JAMA Associate Editor Romain Pirracchio, MD, MPH, discusses context and implications of the new pediatric sepsis criteria with authors Hallie Prescott, MD, MSc, of the University of Michigan and Ann Arbor VA Hospital, and Roberto Jabornisky, MD, of Northeastern National Medical School in Argentina. Related Content: Context and Implications of the New Pediatric Sepsis Criteria Transitioning From SIRS to Phoenix With the Updated Pediatric Sepsis Criteria—The Difficult Task of Simplifying the Complex