Antibodies that target blood stem cells can rejuvenate immune responses in mice. It will be years before the approach can be tested in people, but many aspects of the stem-cell biology that underlies ...

An international research team has uncovered compelling evidence that gut-microbe-derived molecules may play an important ...

The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new ...

Your immune system protects your body against invading germs. It’s a complex network of organs, tissue and cells, all working to keep germs out and defeat them if they manage to get in. Sometimes your ...