equine encephalitis


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Related to equine encephalitis: Western equine encephalitis

equine encephalitis

(ē`kwīn ĕnsĕf'əlī`tĭs), infectious disease of horses caused by any of several viruses, four of which—the Eastern, Western, Venezuelan, and St. Louis viruses—can also infect humans. The viruses, which begin their life cycles as parasites of wild birds, are transferred to horses, and from horses to humans, in the salivary glands of mosquitos. The symptoms of equine encephalitis include fever, drowsiness, and incoordination, often followed by paralysis and death. The mortality rate is 90%, usually within 2 to 3 days, in the most virulent, Eastern type; and as high as 50% in the Western type. The disease, for which no specific treatment is known, can be prevented by annual vaccination of horses. Equine encephalitis is a serious public-health problem in N South America. In 1991 the Eastern virus infected horses throughout much of the SE United States; five infections of humans occurred in Florida. In 1992 the virus was first identified in the Asian tiger mosquito, an aggressive feeder on both horses and humans, now found in some 20 states of the E United States.

Bibliography

See H.-J. Wintzer, Equine Diseases (1986).

equine encephalitis

[′ē‚kwīn en‚sef·ə′līd·əs]
(medicine)
A disease of equines and humans caused by one of three viral strains: eastern, western, and Venezuelan equine viruses. Also known as equine encephalomyelitis.
References in periodicals archive ?
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Flu, influenza virus; IIF, indirect immunofluorescence; NGS, next-generation sequencing; VEEV, Venezuelan equine encephalitis virus.
* The report reviews pipeline therapeutics for Equine Encephalitis by companies and universities/research institutes based on information derived from company and industry-specific sources
* Coverage of the Equine Encephalitis pipeline on the basis of route of administration and molecule type.
The most lethal pediatric neuroinvasive arboviral disease is eastern equine encephalitis virus infection, with a 38% mortality rate.
Epidemiology of eastern equine encephalitis in Massachusetts.
Pegylated alpha interpheron is an effective treatment for virulent venezuelan equine encephalitis virus and has profound effects on the host response to infection.
The virus - known as Eastern Equine Encephalitis or Triple E - is regarded as one of the most serious mosquito-borne diseases on the North American continent.
He spent the last few days fishing on the Saco river, unaware there had been two confirmed cases of Triple E - eastern equine encephalitis - there this summer.
Currently, the Defense Department is developing a vaccine against equine encephalitis. Ichor Medical Systems, a small biotech company in San Diego, secured a $900,000 contract to help develop a DNA countermeasure for the encephalitis pathogen.
Post-vaccination antibody titles in equines vaccinated with TC83 strain of the Venezuelan equine encephalitis virus

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