An acute infectious disease caused by the Hanta virus, with abrupt onset of fever that lasts 3 to 8 days, conjunctival injection, prostration, anorexia, and vomiting. Renal involvement may be mild or progress to acute renal failure, which may last several weeks. The mode of transmission is unknown but is apparently not from person to person. The incubation period varies from 9 to 35 days. Shock and renal failure should be treated symptomatically. There is no specific therapy. Also known as epidemic hemorrhagic fever and Korean hemorrhagic fever.