Between 2019 and 2021, pediatric mortality rates had the largest increases in at least half a century. Steven H. Woolf, MD, MPH, of Virginia Commonwealth University Center on Society and Health, joins JAMA Associate Editor Tracy A. Lieu, MD, MPH, to discuss how racial and ethnic disparities and specific causes have factored into these increases and what this means for policymakers and clinicians. Related Content: Racial and Ethnic Disparities in All-Cause and Cause-Specific Mortality Among US Youth Injury Prevention Science and Firearm Injury in Pediatric Health