1. A family of RNA viruses that typically cause hemorrhagic fevers and are transmitted to humans through contact with infected rodents or their secretions.
Usage: plural form; technical/medical; also called Arenaviridae

Examples

• Lassa fever is caused by one of the most dangerous arenaviruses found in West Africa.
• Scientists study arenaviruses to develop better treatments for hemorrhagic fever outbreaks.
• The Junín virus is an arenavirus that causes Argentine hemorrhagic fever.
• Arenaviruses are named for the sand-like appearance of their viral particles under electron microscopy.
• Public health officials monitor arenaviruses as potential bioterrorism threats.