. Hospital records of children admitted with the diagnosis of AES up to 12 years of age were enrolled in the study and were analysed both manually and using SPSS version 15.0 statistical software. RESULTSOut of 104 acute encephalitis cases, 62 (59.6%) were male and 42 (40.38%) were female. The maximum number of AES cases were in the age group of < 5 years, which was 67.3%. Out of 104 cases of acute encephalitis cases, 20 (19.23%) were Japanese encephalitis and 2.88% (3) each of Chikungunya and Dengue. Japanese Encephalitis is most commonly seen in the age group of 6 to 10 years of age (45%). Majority (65%) of JE cases presented during the monsoon months of June to August. Most commonly seen in people living in rural area, which was 75%. Case fatality rate for JE was 15% and sequelae was in 40% cases as compared with non-JE which was 65% and 10.71% respectively. CONCLUSIONIt has been found that JE remains the most common cause of AES in children in this part of the country with incidence as high as 19.23% and mortality 15%. It mainly occurs during monsoon season.

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