The Machupo virus is a type of hemorrhagic fever virus that is related to the more commonly known Ebola virus. This virus is primarily found in Bolivia and Argentina and can be transmitted to humans through contact with infected rodents or their urine or feces. There are several synonyms for the Machupo virus including Bolivian hemorrhagic fever virus, VHF virus, and Calomys callosus virus, named after the rodent species believed to be a reservoir for the virus. The symptoms of Machupo virus infection include fever, muscle aches, vomiting, and bleeding from the nose, mouth, and eyes. The Machupo virus is considered a dangerous pathogen and there is currently no specific treatment or vaccine available for it.