08/20/2026
Science Minute: While primary infection with chronic viruses most often causes no symptoms in people with healthy immune systems, some may lead to the development of autoimmune disorders, cancers, and other conditions. The viruses usually stay dormant but can revive in response to stress, hormonal imbalances, sleep deprivation, surgery, or serious illness.
Most people carry eight to 12 generally harmless viruses at any given time. But now, researchers at the University of Texas at Austin conclude that severe COVID-19 infections can reactivate these viruses, leading to worse clinical outcomes, autoimmune diseases, and other long-term conditions such as...