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 ...

Continued activation of complement system damages tissue and blood cells The researchers followed 113 COVID-19 patients for up to one year after their acute SARS-CoV-2 infection and compared them with ...

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 ...

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 ...

Medically reviewed by Matthew Wosnitzer, MD Complement 3 glomerulopathy (C3G) is a rare kidney disease that is also ...

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 ...