Japanese encephalitis

Japanese encephalitis is a mosquito borne zoonotic viral disease, caused by Japanese encephalitis virus (JEV). The occurrence of disease is widespread in 24 countries of South- East Asia and Western Pacific region. The mainly occuring vector of JE is Culex tritaeniorhynchus , spread across India. Common symptoms of JE include headache, fever, mental confusion and delirium. Acute encephalitis syndrome (AES) is the clinical presentation of disease characterized by symptoms such as convulsions, alteration of sensorium, changes in behavioural pattern. The preventive method available for JE is JE vaccine; no specific treatment exists but case management is advised symptomatically. The disease affects primarily the children, but can affect individuals of any age.