eastern equine encephalitis


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Related to eastern equine encephalitis: West Nile virus, Western equine encephalitis

Eastern equine encephalitis

n. Abbr. EEE
Encephalitis that is caused by a mosquito-borne virus and affects humans, horses, and some bird species. It occurs in small epidemics in the eastern United States and is seen in other parts of North and South America.

eastern equine encephalitis

Eastern equine encephalitis

A rare, sporadic, and aggressive enzootic infection by a single-stranded RNA Togavirus that primarily affects birds Vector Ornithophilic mosquito, Culiseta melanura, largely confined to the Northeast US, especially Massachusetts; infection of horses and humans is an accidental 'dead-end', occurring when the virus is transmitted to other mosquitoes–eg, Aedes vexans, Aedes sollicitans, Coquillitidia perturbans; ± 5 human cases/yr in the US–Clinical Meningismus, lethargy, stupor, high fever, spinal pleocytosis Prognosis 30-70% mortality; severe neurologic sequelae. Cf St Louis equine encephalitis, Western equine encephalitis.

eastern equine encephalitis

Encephalitis caused by the eastern equine arbovirus, which is transmitted from horses to humans by mosquitoes; the incubation period is 1 to 2 weeks. Although this is the least common of the arboviruses, mortality is approx. 25%, and those who survive often have neurological problems. In the U.S. it occurs on the East Coast, Gulf Coast, and in the Great Lakes region during the mosquito season from midsummer to early fall.
See also: encephalitis
References in periodicals archive ?
Six cases of eastern equine encephalitis virus disease were reported from four states (Louisiana, Maine, New York, and North Carolina); all were neuroinvasive disease.
The CDC advises health care providers to be aware of the risk of Eastern equine encephalitis virus (EEEV) "even in areas that have not previously had much activity.
Louis encephalitis virus (10), Powassan virus (8), Eastern equine encephalitis virus (8), and unspecified California serogroup virus (5).
Assess the clinical presentation of eastern equine encephalitis (EEE),
Eastern equine encephalitis virus (EEEV) is spread by mosquitoes and can affect horses, as well as humans.
West Nile virus and eastern equine encephalitis may get the bulk of the press and the scarier headlines, but the far more prevalent threat to human health in the Northeast in any given summer is Lyme disease, which, since it was first identified in Southern Connecticut in the early 1970s, has spread to nearly epidemic proportions.
Four cases of Eastern Equine Encephalitis were confirmed in Massachusetts as of late September, and two--including one in a 5-year-old child--have been fatal, according to the Massachusetts Department of Public Health.
To Uxbridge citizens who voted against joining the Central Massachusetts Mosquito Control Project at town meeting: West Nile virus, Eastern Equine Encephalitis and other diseases are carried by mosquitoes in southeastern Massachusetts.
Because eastern equine encephalitis (EEE) virus has been shown to cause paralysis in Pekin ducks (1), we performed EEE virus-specific nested reverse transcription PCR (RT-PCR) (2) to detect the isolate.
An increase in West Nile virus and Eastern equine encephalitis infections in Central Massachusetts has prompted the early evening closure of public land and athletic fields in several towns and school systems.

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