New research finds that the complement system, part of the body’s natural immune defenses, is a key driver of inflammatory ...

image: “In patients with Long Covid, the complement system no longer returns to its basal state.” Onur Boyman, professor of immunology at University of Zurich view more Credit: Enrique Heer ...

Researchers have identified a blood protein ‘signature’ in the complement system, part of the immune system, of patients with long COVID that may improve the diagnosis and lead to a treatment ...

Complement responses may contribute to priming of the adaptive immune system or serious adverse events such as hepatotoxicity and thrombotic microangiopathy.