The virus is known as COVID-19 — short for Coronavirus disease 2019 — and it has spread around the world, infecting more than 89,000 people and killing more than 3,000.

They are studying five viruses that represent the major subgroups of flaviviruses and alphaviruses, including West Nile, tick-borne encephalitis, dengue, chikungunya and Venezuelan equine encephalitis ...

Our monkey-like ancestors 40 million years ago acquired new virus copies at a fast clip–much faster than in our own lineage in the past couple million years.One virus in particular, known as ...

Researchers have imaged an aquareovirus structure at 3.3 Angstroms, the first published instance of a virus imaged at such a high resolution. This research demonstrates the first time that high ...

This diagram shows the five previously known phyla of RNA viruses automatically organized by our methods. Reprinted with permission from Zayed et al., Science Volume 376:156(2022).

Structure of the virus The genome of rotavirus contains 11 double-stranded RNA segments with 18,555 base pairs. Each of these segments is a gene, numbered from 1 to 11 by decreasing size.