Measles is doing far more damage than its signature rash suggests. A growing body of research shows the virus can wipe out a substantial share of the immune system’s existing defenses against other ...

Lingering inflammation from viruses like COVID-19 or HIV can take a lasting toll on the brain. New research shows exactly how specific immune system imbalances lead to memory lapses and slowed ...

COVID-19 may leave some people with lasting memory problems long after their infection has cleared, new research has found, with the findings particularly pronounced among those who suffered from the ...

By analyzing mice that had been first infected with SARS-CoV-2 and then with influenza A virus, the scientists found that having recovered from COVID had a protective effect against the worst effects ...

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 ...

In a rare but serious complication of cancer, the body’s own immune system can start attacking the brain, causing rapid-onset memory loss and cognitive deficits. What triggers this sudden biological ...

1:42 Canada may lose measles elimination status if outbreak not brought under control As measles cases surge worldwide, experts are raising alarms about a lesser-known danger: immune amnesia. The ...