Northwestern Medicine investigators have uncovered a missing link behind the harmful effects of autoantibodies linked to ...

The complement system, corresponding author Jane Salmon told BioWorld Today, is "a very primitive host defense system." But like most rapid response task forces, the complement system is not exactly a ...

The innate/general resistance system and the adaptive system are the two main subsystems of the immune system. To generate an efficient immune response, the innate and adaptive systems constantly ...

Your immune system defends your body against infections and illnesses. It makes proteins called antibodies that counteract or kill germs, like viruses and bacteria. You get protection, or “immunity,” ...

What Are Active and Passive Immunity? Your immunity grows stronger when there are antibodies to illnesses and diseases present. Antibodies’ purpose is to damage or kill foreign organisms that enter ...