<unk>  is a moderate infection of the central nervous system.<unk>  virus is a Group IV positive-sense ssRNA virus within the Flaviviridae family of viruses, and the genus Flavivirus.<unk>  virus is closely related to Yellow fever virus, Dengue virus, West Nile virus, and Japanese encephalitis.<unk>  is also known as an arbovirus, or an arthropod-borne virus.<unk>  is usually transmitted via mosquitoes to the human host.<unk>  must be differentiated from other diseases that cause nondescript symptoms, which include fever, headache, and vomiting. Prognosis is generally poor. Approximately 5-30% of patients progress to mortality. Among patients who survive, approximately 50% suffer severe neurological, cognitive, and psychological deficits. The diagnostic method of choice for<unk>  is laboratory testing. Laboratory findings consistent with the diagnosis of leukocytosis, mild anemia, and hyponatremia. There is no treatment for<unk> ; the mainstay of therapy is supportive care.
St. Louis encephalitis
Western equine encephalitis
Japanese encephalitis
Eastern equine encephalitis
La Crosse encephalitis
Tick-borne encephalitis
Nipah virus encephalitis
Tick borne encephalitis