In a quiet freshwater pond in Ibaraki Prefecture near Tokyo, researchers have pulled from the water a microscopic giant that ...

Subjects infected with virus performed 7 to 9 points lower on attention tests. — -- The next time you lose your keys or bomb a test, try blaming it on a virus. Researchers from Johns Hopkins ...

Using genomics, evolutionary biologists test several hypotheses on the origin of viruses. New evidence suggests they may have emerged more times than previously thought. Corroborating the virus-first ...

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 ...

PHOENIX – Long before the coronavirus pandemic, Kathleen Muldoon knew what it felt like to have her life changed by a virus. In 2013, Muldoon was teaching embryology at the Geisel School of Medicine ...

I’ve had it up to here with viruses lately. It’s easy in these times to wonder whether there’s anything good about them. That made me curious about why viruses exist in the first place, and where they ...

Pneumonia is caused by bacteria, viruses, fungi, or inhaling foreign objects. Children under age 5, adults over age 65, and those with chronic illnesses are at higher risk for pneumonia. Certain ...

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 ...

• Viruses have an inherent ability to unlock our immune systems, but scientists are gaining new insights into the mechanisms they use to hijack our own cellular processes. Studying them can give ...