Welcome to This Week in Pediatrics. This week we're covering 9 notable papers spanning advances in chronic disease management, key updates in prevention and public health, and a look at emerging diagnostic and therapeutic trends. Let's dive in. We begin with chronic disease, looking at new insights from basic science to long-term clinical surveillance. In *Nature*, a study offers a potential new…

This week's papers:

GPR15-guided CD8T regulatory cells control intestinal inflammation. — Nature 2026
Bowel ultrasound scan in the management of pediatric moderate ulcerative colitis: The applicability of international bowel ultrasound segmental activity score. — Journal of pediatric gastroenterology and nutrition 2026
Survivors of Cyanotic Congenital Heart Disease: A Review. — JAMA 2026
Egg Allergy Prevalence Before and After Guidelines for Earlier Egg Introduction. — JAMA pediatrics 2026
Rotavirus Vaccine Coverage and Potential Barriers Among US Children Born From 2007 to 2024. — Pediatrics 2026
Inclusion of young adolescents in policy development for new tuberculosis vaccines. — The Lancet. Global health 2026
Automated contactless radar-derived movement index for outpatient motor surveillance. — Pediatric research 2026
Survodutide Once Weekly for the Treatment of Adults with Obesity. — The New England journal of medicine 2026
Use of Leucovorin After the FDA Announcement of Its Use for Autism Spectrum Disorders. — Pediatrics 2026