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 ...

Chennai: People whose immune systems mount an unusually aggressive early response to tuberculosis may be less likely to respond well to standard drug .

In recent years, the increase in knowledge about the functioning of the immune system has revealed not only its importance in the defense against external agents such as pathogens or toxins, but also ...