Arenavirus Guide

Found in Africa and Asia, including the well-known Lassa virus .

Found in the Americas, such as the Junín and Machupo viruses. How do they spread?

You won’t catch an arenavirus from a mosquito or a tick. Instead, they are , meaning they jump from animals to humans. Overview of Arbovirus, Arenavirus, and Filovirus Infections

Arenaviruses: The "Sandy" Pathogens You Need to Know When scientists first looked at these viruses under an electron microscope, they saw what looked like tiny grains of sand scattered inside the viral particles. This unique appearance gave them their name—derived from the Latin arena , meaning "sandy".

While they might look like dust under a lens, are a family of serious pathogens that primarily live in rodents but can jump to humans with devastating effects. What exactly are they?