HERSHEY, Pa. -- Over the past year, studies have revealed that certain pre-existing conditions, such as cancer, diabetes and high blood pressure, can increase a person's risk of dying from COVID-19.

As many as one in 300 HIV patients never get sick and never suffer damage to their immune systems and AIDS experts said Wednesday they want to know why. Subscribe to read this story ad-free Get ...

Some people infected with HIV are teeming with virus, but don’t get sick. Their resistive powers probably come from a mix of genetics and unique immune responses, according to a study of such rare ...