Faults in a certain part of the immune system might be at the root of some long covid cases, new research suggests. For many people, covid is an illness that blusters in and out of our lives as cases ...

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.

Researchers have discovered that SARS-CoV-2 hijacks three important host proteins that dampen the activity of the complement system, a key component of early antiviral immunity. This significantly ...

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 ...

Researchers discovered a previously unknown mechanism that may drive tissue damage and a new target for drug discovery. Our immune system is armed with an array of defenses designed to detect and ...

C3 glomerulopathy (C3G) and primary immune complex membranoproliferative glomerulonephritis (IC-MPGN) are two rare kidney diseases. They’re both driven by activity of the complement system, which is a ...

The complement system is an innate immune response that leads to increased inflammation. The drug pegcetacoplan—a complement inhibitor—was approved for medical use in the United States in 2021 to ...

K. pneumoniae is frequently the source of hospital-acquired infections and, due to the widespread use of antibiotics in these settings, has also acquired numerous resistance genes. In fact, over ...

Complement 3 glomerulopathy (C3G) is a rare kidney disease caused by problems in the body's complement system, which normally helps fight infections. It damages tiny filters in your kidneys called ...