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, ...

Complement component 3, often called C3, is an essential protein of the immune system. This protein plays a vital role in the body’s innate immune system, providing the first line of defense against ...

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 ...