1 equine encephalitis | Definition of equine encephalitis

equine encephalitis

noun
variants: or less commonly equine encephalomyelitis

Definition of equine encephalitis

: any of three virus diseases chiefly of equines and humans in various parts of North and South America that are transmitted especially by mosquitoes, are characterized in humans by flu-like symptoms which often progress to encephalitis and sometimes to coma and death, and are caused by three togaviruses (species Eastern equine encephalitis virus, Venezuelan equine encephalitis virus, and Western equine encephalitis virus of the genus Alphavirus)

Examples of equine encephalitis in a Sentence

Recent Examples on the Web

The Eastern equine encephalitis virus is capable of causing severe brain damage that can kill up to a third of its human victims. — Cindy Krischer Goodman, sun-sentinel.com, "Broward spraying intensely after Hurricane Dorian as dangerous mosquitoes lurk," 5 Sep. 2019 The dangerous but rare Eastern equine encephalitis virus is flaring up in Michigan, state health officials say, and has been confirmed in two people in Berrien and Kalamazoo counties and is suspected in five more people. — Kristen Jordan Shamus, Detroit Free Press, "7 cases of dangerous encephalitis investigated in Michigan: What you need to know," 31 Aug. 2019 The virus is called eastern equine encephalitis, or EEE. — NBC News, "Signs of a deadly mosquito virus found in several states," 29 Aug. 2019 The Minnesota Board of Animal Health said horses in Otter Tail, Pine and Swift counties have been euthanized since eastern equine encephalitis, equine infectious anemia and West Nile virus were detected. — Forum News Service, Twin Cities, "3 different equine diseases have sickened horses in Minnesota, officials report," 13 Aug. 2019 Savanah Dehart, a 14-year-old girl from South Portage, is in serious condition at Bronson Children's Hospital in Kalamazoo, where her mother says that she is being treated for Eastern equine encephalitis. — Kristen Jordan Shamus, Detroit Free Press, "Michigan mom says daughter, 14, has rare Eastern equine encephalitis virus," 19 Apr. 2018 Eastern equine encephalitis was reported in a 14-year-old Belgian mare in Otter Tail County. — Forum News Service, Twin Cities, "3 different equine diseases have sickened horses in Minnesota, officials report," 13 Aug. 2019 More than 20 communities have been designated by the Massachusetts Department of Public Health as being at high risk from the Eastern equine encephalitis virus, officials said. — Maria Lovato, BostonGlobe.com, "22 communities at high risk from mosquito-borne virus; Mass. to spray insecticide," 6 Aug. 2019 State public health officials have found Eastern equine encephalitis virus in mosquitoes collected in three areas south of Boston. — Johanna Seltz, BostonGlobe.com, "EEE virus is found in four local communities," 23 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'equine encephalitis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of equine encephalitis

1946, in the meaning defined above

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More Definitions for equine encephalitis

equine encephalitis

noun

Medical Definition of equine encephalitis

: any of three virus diseases chiefly of equines and humans in various parts of North and South America that are transmitted especially by mosquitoes, are characterized in humans by flu-like symptoms which often progress to encephalitis and sometimes to coma and death, and are caused by three togaviruses of the genus Alphavirus (species Eastern equine encephalitis virus, Western equine encephalitis virus, and Venezuelan equine encephalitis virus):
a : one that occurs in the eastern U.S. and Canada

— called also eastern equine encephalitis, eastern equine encephalomyelitis

b : one that occurs in the western U.S. and Canada

— called also western equine encephalitis, western equine encephalomyelitis

c : one that occurs from northern So. America to Mexico

— called also Venezuelan equine encephalitis, Venezuelan equine encephalomyelitis

More from Merriam-Webster on equine encephalitis

Britannica.com: Encyclopedia article about equine encephalitis