The Junin virus is a member of the Arenaviridae family and is primarily found in the Argentine region. It is the causative agent of Argentine hemorrhagic fever, a serious viral disease that can lead to severe illness and death. The virus is typically transmitted to humans through contact with infected rodents or their excretions. Symptoms of Junin virus infection include fever, fatigue, and bleeding, which can progress to more severe complications. There is no specific antiviral treatment for the disease, but supportive care can improve outcomes. Vaccination is available for high-risk populations, particularly in endemic areas.