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Children’s Hospital of Philadelphia Launches Inaugural I ♥ CHOP Event with Official Champion Saquon Barkley
Today, Children’s Hospital of Philadelphia (CHOP) announced the launch of the I ♥ CHOP Run, Walk & Virtual Challenge, presented by Philadelphia Insurance Companies, with Saquon Barkley, running back for the Philadelphia Eagles, as the Official Champion of the event.
Children’s Hospital of Philadelphia, Clinic for Special Children Discover Ultra Rare Form of Neuroinflammatory Disease is Much More Common in Old Order Amish than General Population
Researchers found that complement factor I (CFI) deficiency, an ultra-rare genetic disorder that can cause debilitating neuroinflammation, is more than 4500 times more likely to be found in individuals of Old Order Amish ancestry than the rest of the global population.
Study Uncovers Critical Connections Between Neighborhood Violence, Youth Aggression and Perceived Access to Firearms
A new study by the Center for Violence Prevention (CVP) at Children’s Hospital of Philadelphia, in collaboration with principal investigator Jungwon Min, PhD, MS from the University of Pennsylvania School of Nursing.

Children’s Hospital of Philadelphia Researchers Lead Largest Comparative Study of Surgical Interventions for Children and Adolescents with Kidney Stones
Researchers at Children’s Hospital of Philadelphia (CHOP), along with several academic partners, announced the primary results of the Pediatric KIDney Stone (PKIDS) trial, the largest comparative effectiveness study of surgical interventions for children and adolescents with kidney stones.
"Just the Vax" Trivia Corner
Why are multiple doses of some vaccines necessary? Find out.
Feature Article: What’s Your Best Memory?
Explore the relationship between vaccines and memories.
Vaccine News & Notes — August 2025
Read about diphtheria cases in Europe and hear why children get so many vaccines.
A Reflection on CHOP's New Extracorporeal Life Support (ECLS) Fellowship
Read a review of CHOP's New Extracorporeal Life Support (ECLS) Fellowship by its Fellowship Co-Director and Graduate Fellow.
Preclinical CAR-T Studies Offer Foundation for Safer, More Effective Solid Pediatric Tumor Treatments
Researchers at Children’s Hospital of Philadelphia revealed insights into optimizing chimeric antigen receptor T cell (CAR-T) therapy for solid pediatric tumors, offering a more complete understanding of how tumor biology and immunological barriers affect efficiency and safety.
Toward a more precise diagnosis of fibrous dysplasia
Innovative research by CHOP’s craniofacial team is advancing knowledge of this rare bone condition.