title: Study of the outbreak of Japanese encephalitis in Lakhimpur district of Assam in 1989.
abstract: An outbreak of Japanese encephalitis was reported from Lakhimpur district of Assam in July-August, 1989. The outbreak affected 90 villages of the district, covering a population of approximately 36,000. There were 140 cases and 70 deaths due to the epidemic, giving a case fatality rate of 50%. There were no cases from Gogamukh area of the district, where a pilot Japanese encephalitis vaccination project was conducted in the population between July-August 1987, with Kasauli Japanese encephalitis vaccine. Serological examination of acute and convalescent cases showed Japanese encephalitis specific IgM indicating strong evidence of recent Japanese encephalitis infection.
authors.affiliation: Department of Epidemiology, All India Institute of Hygiene and Public Health, Calcutta.
authors.forename: A
authors.initials: A
authors.lastname: Vajpayee
authors.forename: P N
authors.initials: PN
authors.lastname: Dey
authors.forename: A K
authors.initials: AK
authors.lastname: Chakraborty
authors.forename: M S
authors.initials: MS
authors.lastname: Chakraborty
mesh_terms: D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D004664:Encephalitis Virus, Japanese / Q000276:immunology; D004672:Encephalitis, Japanese / Q000453:epidemiology* / Q000401:mortality / Q000517:prevention & control; D006801:Humans; D007075:Immunoglobulin M / Q000276:immunology; D007194:India / Q000453:epidemiology; D010865:Pilot Projects; D014611:Vaccination; D014765:Viral Vaccines
chemical_list: D007075:Immunoglobulin M; D014765:Viral Vaccines