California encephalitis


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Related to California encephalitis: encephalitis virus

bun·ya·vi·rus en·ceph·a·li·tis

encephalitis of abrupt onset, with severe frontal headache and low-grade to moderate fever, caused by members of the genus Bunyavirus (Bunyaviridae family); infections also occur in rodents, lagomorphs, and domestic animals.

California encephalitis

arthropod-borne encephalitis or encephalomeningitis, induced by an arbovirus. Infection usually is caused by a mosquito bite. Epidemics occur mainly in the Midwest, on the eastern seaboard, and in Texas and Louisiana. The virus was first isolated in California. The infection generally follows one of two clinical courses. The mild form is characterized by headache, malaise, GI symptoms, and a fever that may reach 104° F. The more severe form may be marked by a sudden onset of fever, vomiting, headaches, lethargy, and signs of neurological involvement such as loss of reflexes, disorientation, seizure, loss of consciousness, and flaccid paralysis. Recovery usually begins in 1 week. Mortality rate is very low, but a significant number of patients have neurological sequelae for 1 year or more. Treatment usually involves administration of anticonvulsant and sedative medications. See also arbovirus, encephalitis.
A viral infection by any of 4 California Bunyaviridae. Most cases of California encephalitis are caused by the LaCrosse virotype, which occurs in the summer in north central US. In endemic regions, bunyaviridae causes 20% of acute childhood meningitides but has a very low mortality rate
Epidemiology The infectious cycle is maintained in the mosquito vector, Aedes triseriatus
Prognosis Excellent; rare psychological residua

California encephalitis

A viral infection by any of 4 California Bunyaviridae; most CE is by the LaCrosse virotype, which occurs in the summer in north central US; in endemic regions, CE causes 20% of acute childhood meningitides with a very low mortality rate; the infectious cycle is maintained in the mosquito vector, Aedes triseriatus Clinical Non-specific viral prodrome, followed by a 3-8 day meningismus with spontaneous resolution Prognosis Excellent; rare psychological residua

California,

31st state, admitted to the United States in 1850.
California encephalitis - encephalitis caused by genus Bunyavirus; may be seen in domestic animals and rodents.
californium - man-made radioactive actinide, chemical symbol Cf, used in radiotherapy.
California Psychological Inventory Test - personality inventory with emphasis on social interaction.

California encephalitis

an encephalitis of humans caused by the La Crosse virus isolated from mosquitoes in California. Occurs experimentally in small laboratory rodents when the virus is injected intracerebrally. Suspected of natural passage through wild and domestic mammals.
References in periodicals archive ?
In 2012, several physicians familiar with the California Encephalitis Project contacted the project, reporting cases of previously healthy patients with acute onset of a polio-like illness.
Glaser is a pediatric infectious disease physician at Kaiser Permanente in Oakland, California who served as the principal investigator for the California Encephalitis Project.
California Emerging Infections Program, California Encephalitis Project, Enhanced Diagnostic Testing and Epidemiology.
Comparison of TB encephalitis with viral encephalitis, California Encephalitis Project * Characteristic CNS TB HSV-1 Total no.
In the course of the study period, serum samples from four additional persons, including serum from one person who had been diagnosed by the Centers for Disease Control and Prevention (CDC), who were not part of California Encephalitis Project were positive.
The arbovirus California encephalitis virus was first isolated in 1943 from mosquitoes collected in Kern County, California (1).

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