hantavirus

noun

han·​ta·​vi·​rus ˈhän-tə-ˌvī-rəs How to pronounce hantavirus (audio) ˈhən- How to pronounce hantavirus (audio) ˈhan- How to pronounce hantavirus (audio)
: any of a family (Hantaviridae and especially genus Orthohantavirus) of bunyaviruses transmitted especially by rodent feces and urine and including viruses causing serious pulmonary disease or hemorrhagic fevers marked by renal necrosis

Examples of hantavirus in a Sentence

Recent Examples on the Web
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First, both viruses are transmitted by direct contact with an infected person (or rodent, in the case of hantavirus). Alice Park, Time, 12 June 2026 Last year, when actor Gene Hackman and his wife Betsy Arakawa were found dead in their New Mexico home, authorities determined that Arakawa had died by complications caused by the hantavirus, with evidence of rodents on the property. Karen Garcia, Los Angeles Times, 12 June 2026 This type of hantavirus spreads between people through prolonged, close contact with a sick person. Grant Stringer, Mercury News, 12 June 2026 Because hantavirus was not suspected at the time of his death, no test samples were taken, but he is now believed to be the first hantavirus case on the ship. Mary Whitfill Roeloffs, Forbes.com, 11 June 2026 See All Example Sentences for hantavirus

Word History

Etymology

New Latin, from hanta- (from Hantaan, river in South Korea near where rodents carrying the virus were collected 1974–78) + virus

First Known Use

1984, in the meaning defined above

Time Traveler
The first known use of hantavirus was in 1984

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Cite this Entry

“Hantavirus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hantavirus. Accessed 16 Jun. 2026.

Medical Definition

hantavirus

noun
han·​ta·​vi·​rus ˈhan-tə-ˌvī-rəs How to pronounce hantavirus (audio) ˈhən- How to pronounce hantavirus (audio) ˈhän- How to pronounce hantavirus (audio)
: any of a family (Hantaviridae and especially genus Orthohantavirus) of bunyaviruses that infect specific rodents as their natural hosts and that include some forms causing hantavirus pulmonary syndrome and hemorrhagic fever with renal syndrome in humans following exposure to the virus in airborne particles of rodent urine, feces, or saliva or directly by the bite of a rodent

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