Studies of Epidemiology, Clinical and Lab. Investigations of Encephalitis

viral infections of the CNS have attracted the attention of historians and physicians for millennia.acute encephalitis which is related to viral illness of divese aetiology, is considered one of the medical problems where a specific virus is difficult to be identified and histological confirmation rarely obtained,furthermore acute encephalitis is considered an important cause of mortality which may reach up to 70% and morbidity where a precent up to 30% or more left handicaped.