Arenaviruses are a type of small virus commonly found in rodents. When a person becomes infected with an arenavirus, symptoms usually begin within 10 days.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 24-30 November 2019 and includes updates on Ebola virus disease, Lassa fever, influenza, cholera, polio and West Nile virus.