More than 200 viruses can infect and cause disease in humans; most of us will be infected by several over the course of a lifetime. Does an encounter with one virus influence how your immune system ...

More than 10,000 people in the United States are living with memory loss and other persistent neurological problems that occur after West Nile virus infects the brain. Now, a new study in mice ...

In a rare but serious complication of cancer, known as anti-Ma2 paraneoplastic neurological syndrome, the body’s own immune system can start attacking the brain, causing rapid-onset memory loss and ...