Our immune system is armed with an array of defenses designed to detect and eliminate harmful threats. One of its most powerful defense mechanisms is the complement system-a group of proteins that ...

Long Covid patients suffer from chronic symptoms such as fatigue or shortness of breath. As researchers have discovered, this is to some extent due to a part of our immune system called the complement ...

Also called C3G, this rare kidney disease often affects children and young adults, but it can happen at any age. It has a major impact on a person’s health and life. C3G has two forms: dense deposit ...

Medically reviewed by Matthew Wosnitzer, MD Managing complement 3 glomerulopathy involves several treatment options aimed at ...

Researchers in the United States have conducted a study showing that activation of the complement system is specifically implicated in the pathogenesis of severe coronavirus disease 2019 (COVID-19), ...

Most people infected with the SARS-CoV-2 virus recover after the acute illness. However, a significant proportion of infected individuals develop long-lasting symptoms with a wide range of ...