This story is part of a larger series on viroids and virusoids, small infectious RNAs. It is also the sixth installment in a series on hepatitis D virus, a virusoid-like pathogen that causes serious ...

Understanding the differences between bacteria and viruses is crucial for recognizing how these microorganisms impact our ...

In a twist on the question, 'Which came first, the chicken or the egg?', scientists have long faced a similar question about how human adenovirus replicates: 'Which comes first, assembly of the viral ...

During viral reproduction, the influenza polymerase (top left, in blue) scans along the ribonucleoprotein helix to produce messenger RNA. Credit: Science Like a camera-shy teenager, influenza’s ...

Researchers have found a way to block one strain of the influenza virus from accessing a human protein it needs to replicate in cells. The discovery could lead to highly effective ways to treat the ...

A study published in PNAS Microbiology found that enveloped viruses harbor greater cross-species transmissibility and are more likely to cause zoonotic infections than nonenveloped viruses. The ...

University of Pittsburgh researchers have shown for the first time how Merkel cell polyomavirus (MCV), which causes an aggressive skin cancer called Merkel cell carcinoma, initiates DNA replication in ...

Nipah virus does not just infect the body, it disrupts immune defences at multiple levels, suppressing early antiviral ...