Researchers at UC San Diego have found that several of the most dangerous zoonotic viruses, including SARS-CoV-2, Ebola, and ...

Some viruses that make us sick are cleared by the immune system within days, while others lurk in our bodies for a lifetime ...

A number of factors influence the way the virulence of a virus — that is, how harmful it is to its host — affects its ability to survive and spread; in some cases, higher virulence may help a virus ...

There is an ongoing debate as to whether or not viruses are considered to be a life form. The question remains unanswered as the identity of viruses as a living form is dependent on arbitrary measures ...

Besides serving as food for certain microbes, viruses perform some helpful functions that remain poorly understood. A ciliate, a type of single-celled microbe, swims next to Sphagnum moss, amplified ...