Many components contribute to a potent innate immune system of neonatal gut and of human milk. The adaptive immune system is characterized by exquisite antigen specificity and delayed reaction ...

The virus can damage the immune system in a process called "immune amnesia," raising the risk of other infections even after the person has recovered, explained Dr. Céline Gounder, CBS News ...

A healthy, balanced diet is important for supporting your immune system. You need sufficient energy and nutrients for the immune system to function properly, and poor nutrition can compromise it.

A new part of the immune system has been discovered and it is a goldmine of potential antibiotics, scientists have said. They've shown a part of the body known to recycle proteins has a secret ...