Viruses are smaller than bacteria. For example, at 45 nanometers (1 nanometer = 0.000001 millimeter), the hepatitis virus is approximately 40 times smaller than E.coli. By comparison, a human red ...

Seven kinds of virus collectively comprise an important cause of cancer, particularly in less developed countries and for people with damaged immune systems. Discovered over the past 54 years, most of ...

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 ...

Associate Professor of Biological Sciences, University of Maryland, Baltimore County Viruses have a bad reputation. They are responsible for the COVID-19 pandemic and a long list of maladies that have ...

Although they didn’t manage to do that, they found something else: a new species of ebolavirus, the genus of viruses that cause Ebola diseases. The new virus—the sixth in the genus to be ...

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 ...

Penn Vet’s Louise Moncla has tracked H5N1 viruses to better understand the role wild birds play in the current HPAI outbreak ...

The timing and origin of Zika virus (ZIKV) introduction in Brazil has been the subject of controversy. Initially, it was assumed that the virus was introduced during the FIFA World Cup in June–July ...

Scientists have uncovered over 200 new giant viruses lurking in ocean waters that not only help shape marine ecosystems but also manipulate photosynthesis in algae. These massive viruses once nearly ...