The disease was first reported in the town of in Buenos Aires province,<unk>  in 1958, giving it one of the names by which it is known. Various theories about its nature were proposed: it was Weil's disease, leptospirosis, caused by chemical pollution. It was associated with fields containing stubble after the harvest, giving it another of its names. The endemic area of<unk>  covers approximately 150,000 km², compromising the provinces of Buenos Aires, Córdoba, Santa Fe and La Pampa, with an estimated risk population of 5 million. The vector, a small rodent known locally as ratón maicero ("maize mouse"; Calomys musculinus), suffers from chronic asymptomatic infection, and spreads the virus through its saliva and urine. Infection is produced through contact of skin or mucous membranes, or through inhalation of infected particles. It is found mostly in people who reside or work in rural areas; 80% of those infected are males between 15 and 60 years of age.
Argentine hemorrhagic fever
Omsk hemorrhagic fever
Venezuelan hemorrhagic fever
Blackwater fever
Sandfly fever
Chikungunya
Bolivian hemorrhagic fever
Flea-borne spotted fever