It's not always easy to spot, for starters.

It's not COVID-19 or the flu, but a respiratory virus has been hammering Northern California cities, including Sacramento and ...

Human metapneumovirus (HMPV) has recently become a headline virus, particularly as cases have drawn attention in parts of the U.S. West Coast. For many people, the name sounds alarming because it is ...

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 ...

Human cytomegalovirus (HCMV) is a ubiquitous member of the Betaherpesvirinae that infects the majority of the human population. Although primary infection is often asymptomatic in immunocompetent ...

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 ...

While current flu shots need to be updated each season, scientists are finding new ways to make vaccine that could last much longer and cover more strains.

Injecting viral peptides systemically into mice activated immune cells that then targeted pancreatic tumors, opening avenues to more accessible cancer therapy.

Scientists generally agree that eukaryotes, the domain of life whose cells contain nuclei and that includes almost all multicellular organisms, originated from a process involving the symbiotic union ...