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 ...

Bacterial and viral acute sinus infections typically display similar symptoms. The duration of the infection can help determine if it is viral or bacterial. Many viruses, such as the ones that cause ...

Viral exanthem (viral rash) is a skin condition that develops because of a viral infection like chickenpox, rubella, or measles. Rashes from viral infections may cause bumps or spots that itch, are ...

One of the remaining mysteries of the human immune system is why a certain cell, called a B cell, which retains a memory for past infections -- ensuring we fight off diseases we have experienced ...

Viral vs. Bacterial Fever Symptoms: The weather is currently changing rapidly. Just a few days ago, the sun was blazing, but ...

Some cancer cells don't die; they go quiet, like seeds lying dormant in the soil. These "sleeper cells," scattered throughout the body, can stay inactive for years. But when the body faces a ...

Researchers at the University of Colorado (CU) Anschutz Medical Campus, Montefiore Einstein Comprehensive Cancer Center (MECCC), and Utrecht University have found what they suggest is the first direct ...