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 ...

Among people with sickle cell disease—an inherited blood disorder—acute chest syndrome (ACS) is the leading cause of death. The condition is the result of red blood cells becoming stiff, sticky, and ...

Changes to serum proteins could be behind the debilitating condition known as long COVID. The findings, published in the journal Science, could pave the way for diagnosing and treating the disease.

COPENHAGEN, Denmark, March 11, 2026 (GLOBE NEWSWIRE)-- Commit Biologics ("Commit"), a biotechnology company pioneering complement system activation and backed by €21.5 million in seed financing from ...

A protein made by gut cells helps to destroy harmful bacteria in the intestines, according to experiments in mice 1. Roughly 50 proteins in the blood make up the complement system, which forms a ...

Why does the same infection cause only mild symptoms in one person but more serious disease in another? A new study led by ...

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 ...