EPIDEMIOLOGICAL STUDY ON TRENDS OF JAPANESE ENCEPHALITIS AND ACUTE ENCEPHALITIS SYNDROME IN CACHAR DISTRICT OF ASSAM
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2019, Vol 8, Issue 21
Abstract
BACKGROUND Japanese Encephalitis (JE) over the years has emerged as one of the major public health problems in the country due to its complex eco-epidemiology. JE virus is a leading cause of encephalitis in Asia, causing an estimated 67, 900 JE cases annually. JE/AES has been reported from 171 districts of 19 States in the country. The present study was undertaken to study the trend of AES/JE cases in Cachar District of South Assam. METHODS This is a retrospective descriptive study. IDSP surveillance data was examined for the period January 2014 to December 2016. Results were analysed, and appropriate statistical methods was applied. RESULTS Among 300 clinically diagnosed cases of AES, 189 were males (63%) and rest 111 (37%) were females. The overall SPR for JE was 16.33%. Significant association was found between age groups and sample positivity rate and in distribution of cases in different block PHCs; with highest SPR observed in 31 to 60 years age group. The CFR in AES and JE Cases was found to be 12.34% and 12.24% respectively. The monthly JE cases show seasonal peaks during June to October, coinciding with rainy and post-rainy seasons. Significant correlation of rainfall with prevalence of JE was noticed. CONCLUSIONS JE is endemic in south Assam districts and affects all age groups specially adults. Hence, JE vaccination, integrated vector control management, information, behaviour change communication to be initiated for control of JE.
Authors and Affiliations
Ajit Kumar Dey, Atanu Chakravarty
Keywords
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- EP ID EP619196
- DOI 10.14260/jemds/2019/378
- Views 98
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