To evaluate the in vitro effect of meningococcal vaccination, 3 C7-deficient (C7-D) siblings and 2 normal controls were studied before and 6 weeks after vaccination with tetravalent meningococcal ...

Please provide your email address to receive an email when new articles are posted on . Meningococcal vaccination rates are low among eligible patients with complement component deficiencies, ...

Philadelphia and Gordonville, PA, August 12, 2025 – Researchers from Children’s Hospital of Philadelphia (CHOP) and the Clinic for Special Children found that complement factor I (CFI) deficiency, an ...

Researchers from Children's Hospital of Philadelphia (CHOP) and the Clinic for Special Children found that complement factor I (CFI) deficiency, an ultra-rare genetic disorder that can cause ...

Severe Combined Immune Deficiency (SCID) T cell disorders Common Variable Immune Deficiency (CVID) Antibody deficiency diseases, and complement deficiencies Faculty research interests include the role ...

Researchers from the Children's Hospital of Philadelphia (CHOP) and the Clinic for Special Children found that complement factor I (CFI) deficiency, an ultra-rare genetic disorder that can cause ...