Barr virus—but new research reveals how it can hijack immune cells, sparking a chronic disease that attacks the body from ...

Vaccines train the body's defenses to fight infections safely. Learn how vaccines work, how the immune system responds, and ...

In a ground breaking study in the UK researchers have identified a previously unknown mechanism that allows the immune system to fight viruses even after they have infected cells. Until now it was ...

For years scientists have suspected that the Epstein-Barr virus (EBV)—a type of herpesvirus that infects 94 percent of the ...

Researchers at Washington University School of Medicine in St. Louis discovered how to improve immunity. Nature Immunology published the study. 1. By analyzing mice with viruses, researchers found a ...

Even in death, cells leave a trace. Scientists have discovered a microscopic “Footprint of Death” that not only helps the immune system clean up but can also give viruses a new way to spread infection ...

Aimee Pugh Bernard is affiliated with Immunize Colorado as a volunteer and unpaid board member. Every day, your immune system performs a delicate balancing act, defending you from thousands of ...

The body’s defenses may be mildly lowered for about 1 to 4 weeks after a single steroid shot into a joint or near your spine. In some people, particularly with higher doses, this effect may last up to ...