Much is known about flu viruses, but little is understood about how they reproduce inside human host cells, spreading infection. Now, a research team has identified a mechanism by which influenza A, a ...

Most organisms fit comfortably into standard definitions of “life,” i.e., cells that grow, reproduce independently, and generate energy. Viruses have always been an exception, sitting in a gray area ...

Adenoviruses cause respiratory diseases and are more dangerous for humans than previously assumed. They manipulate gatekeeper molecules and infiltrate the cell nucleus with the aid of the host cell.