Viral infections are illnesses caused by a virus rather than bacteria or fungi. Many viral infections can cause skin rashes, called exanthems. Most clear up on their own, but some require ...

Influenza virus is an infectious agent belonging to the virus family Orthomyxoviridae that causes a respiratory tract infection (influenza or 'flu') in vertebrates. There are three main species ...

Herpes virus articles from across Nature Portfolio Herpesvirus is an infectious agent belonging to the virus family Herpesviridae that causes latent and lytic infections in a wide range of animals ...

A live-updating map of novel coronavirus cases by zip code, courtesy of ESRI/JHU. Click on an area or use the search tool to enter a zip code. Use the + and - buttons to zoom in and out on the map ...