Hantavirus definitions

hăn'tə-vī'rəs
Any of a group of viruses carried by rodents that cause epidemic hemorrhagic fever and severe respiratory infections in humans.
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Any of a group of RNA viruses (family Bunyaviridae); esp., one spread by contact with rodent urine and feces, causing flulike symptoms and sometimes a fatal lung or kidney disease.
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Any of a genus of single-stranded RNA viruses carried by rodents that cause disease in humans, especially a type of hemorrhagic fever that involves kidney failure (known as hemorrhagic fever with renal syndrome) and a severe respiratory disease (known as hantavirus pulmonary syndrome).
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Any of a group of viruses of the genus Hantavirus, carried by rodents, that cause severe respiratory infections in humans and, in some cases, hemorrhaging, kidney disease, and death.
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(virology) Any virus of the genus Hantavirus, transmitted by aerosolized rodent excreta or rodent bites, especially the deer mouse. Hantaviruses cause Hantavirus pulmonary syndrome (HPS): incubation lasts for 1–5 weeks, sickness begins with fever and muscle aches, followed by shortness of breath and coughing.
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Origin of hantavirus

After the Hantaan River, South Korea (near which Westerners were first infected by the virus in the 1950s)