Encephalitis, California

Synonyms

California Encephalitis

California Viral Encephalitides

California Viral Encephalitis

Encephalitides, California Viral

Encephalitis, California Viral

Encephalitis, California, Viral

Viral Encephalitides, California

Viral Encephalitis, California

A viral infection of the brain caused by serotypes of California encephalitis virus (ENCEPHALITIS VIRUS, CALIFORNIA) transmitted to humans by the mosquito AEDES triseriatus. The majority of cases are caused by the LA CROSSE VIRUS. This condition is endemic to the midwestern United States and primarily affects children between 5-10 years of age. Clinical manifestations include FEVER; VOMITING; HEADACHE; and abdominal pain followed by SEIZURES, altered mentation, and focal neurologic deficits. (From Joynt, Clinical Neurology, 1996, Ch26, p13)