Outbreaks and Sporadic Cases of Japanese Encephalitis in the State of Odisha, India: Outcome of 7 Years of Laboratory Surveillance

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dc.contributor.authorSabat, Jen_US
dc.contributor.authorBhattacharya, Den_US
dc.contributor.authorSubhadra, Sen_US
dc.contributor.authorGurav, YKen_US
dc.contributor.authorPati, SSen_US
dc.contributor.authorDwibedi, B.en_US
dc.date.accessioned2023-08-19T04:56:12Z
dc.date.available2023-08-19T04:56:12Z
dc.date.issued2022-06
dc.description.abstractAcute encephalitis syndrome (AES) is a major public health challenge in India. We report here the epidemiology of sporadics and outbreaks of Japanese Encephalitis (JE) in Odisha state during 2012–2018. A total of 4235 AES cases (sporadics – 3394, outbreak cases – 841) recorded including 42 outbreaks; majority (n = 18) of which were during 2016. Overall JE virus (JEV) positivity was 11.78% (outbreak cases – 24.5%, sporadic cases – 8.6%). Age ≤15 years were largely affected during outbreaks, while 16–60 years population was dominant among sporadics. The major outbreak (2016) involved 336 patients from a tribal dominated district, spread over 173 villages. JEV seropositivity was high (43.45%) with 28.57% mortality. Epidemiological linkage with pig rearing was documented through JEV neutralizing antibodies in 50% of pig serum samples. Although the postvaccination period (2017–18) showed increase in AES case reporting but low JE proportion. Ongoing surveillance and preparedness of the health system would be of importance, especially in tribal‑dominated districts.en_US
dc.identifier.affiliationsVirus Research and Diagnostic Laboratory, ICMR-Regional Medical Research Centre, Bhubaneswar, Odishaen_US
dc.identifier.affiliationsNational Institute of Virology, Pune, Maharashtraen_US
dc.identifier.affiliationsDepartment of Paediatrics, AIIMS, Bhubaneswar, Odisha, Indiaen_US
dc.identifier.citationSabat J, Bhattacharya D, Subhadra S, Gurav YK, Pati SS, Dwibedi B.. Outbreaks and Sporadic Cases of Japanese Encephalitis in the State of Odisha, India: Outcome of 7 Years of Laboratory Surveillance. Indian Journal of Public Health. 2023 Jun; 67(2): 324-327en_US
dc.identifier.issn0019-557X
dc.identifier.issn2229-7693
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/223935
dc.languageenen_US
dc.publisherWolters Kluwer – Medknowen_US
dc.relation.issuenumber2en_US
dc.relation.volume67en_US
dc.source.urihttps://doi.org/10.4103/ijph.ijph_1294_22en_US
dc.subjectAcute encephalitis syndromeen_US
dc.subjectJapanese encephalitisen_US
dc.subjectOdishaen_US
dc.subjecttribalen_US
dc.titleOutbreaks and Sporadic Cases of Japanese Encephalitis in the State of Odisha, India: Outcome of 7 Years of Laboratory Surveillanceen_US
dc.typeJournal Articleen_US
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