In simple terms: a virus is a tiny package of genetic instructions with a delivery system. Outside a cell it is metabolically inert. Once inside a susceptible cell, it redirects the cell's machinery ...

Approximately 25 global experts in virology will review hundreds of proposals for virus classification and naming. These proposals involve grouping newly discovered viruses based on shared properties, ...

When viruses travel through the air in tiny droplets, they can quickly start to dry out. Yet many viruses remain infectious ...

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 ...