Imagine a virus so lethal that up to 90% of those infected don’t survive. That’s Marburg - a rare but extremely dangerous disease with no known cure. In this video, we explore its history, how it ...

In the shadows of Python Cave, Uganda, a leopard leaps from a guano mound—formed by bat excrement—and sinks its teeth into a ...

Deadly viruses throughout history From the Ebola to COVID-19, diseases caused by viruses have killed humans throughout history. Viruses are much older than human beings, possibly even older than ...

SCIENTISTS have raised “urgent concerns” over new viruses discovered in bats which have the potential to spill over into ...

Also known as "Nimbus," the new COVID variant NB.1.8.1 is characterized by its extremely painful sore throat, described as "razor blade throat." ...

A new Covid variant has spread to the U.S., including in New York state. The U.S. Centers for Disease Control and Prevention said last week that NB.1.8.1, a new mutation of the SARS-CoV-2 virus ...

In other words, the variant may be skilled at dodging some of our immune defenses, research suggests. Here are the signs and symptoms doctors are seeing with NB.1.8.1.