Sero-entomological investigations on Japanese encephalitis outbreak in Gorakhpur division, Uttar Pradesh, India.

Japanese encephalitis (JE) is a non contagious mosquito-borne arboviral disease of major public health importance in Asia. JE is established in India in significant dimensions particularly after sixties when several outbreaks of varying intensity were reported from different parts of India. Outbreaks occur frequently in 14 Asian countries and about 3060 million people live at risk of infection. The estimated global burden of JE was 709,000 disability-adjusted life years (DALY) lost in 2003, which is the highest among the encephalitis reported.