{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T21:41:52Z","timestamp":1792100512208,"version":"4.4.0"},"reference-count":19,"publisher":"American Society of Tropical Medicine and Hygiene","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,11,4]]},"abstract":"<jats:p>\n                    A total of 1,136 samples from 289 households in four provinces in northern Laos were subjected to Japanese encephalitis virus (JEV) and dengue virus hemagglutination inhibition (DENV HI). Overall, antibodies to JEV were detected by HI in 620 (54.6%) of 1,136 people; of which 217 (19.1%) had HI activity against JEV only. Antibodies to DENV4 were detected by HI in 526 (46.3%) of 1,136 people; of which 124 (10.9%) had HI activity against DENV4 only. Antibodies to DENV1\u20133 were detected by HI in 296 (26.1%), 274 (24.1%), and 283 (24.9) of 1,136 people, respectively; of which 7, 1, and 0, respectively, had HI activity against DENV1\u20133 only. JEV was the most prevalent\n                    <jats:italic>Flavivirus<\/jats:italic>\n                    in Oudomxay, Luangprabang, and Huaphan provinces and DENV4 was the most prevalent in Xiengkhouang province. Seroprevalence for JEV increased with increasing age and wealth and was higher in villages where rice was cultivated in paddy fields and highest for people of Lao-Tai ethnicity.\n                  <\/jats:p>","DOI":"10.4269\/ajtmh.15-0072","type":"journal-article","created":{"date-parts":[[2015,8,24]],"date-time":"2015-08-24T21:50:21Z","timestamp":1440453021000},"page":"1010-1013","source":"Crossref","is-referenced-by-count":18,"title":["Patterns of Flavivirus Seroprevalence in the Human Population of Northern Laos"],"prefix":"10.4269","volume":"93","author":[{"given":"James V.","family":"Conlan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Khamphouth","family":"Vongxay","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Boualam","family":"Khamlome","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard G.","family":"Jarman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert V.","family":"Gibbons","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stanley G.","family":"Fenwick","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. C. A.","family":"Thompson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stuart D.","family":"Blacksell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2795","reference":[{"key":"ref1","series-title":"PLoS Negl Trop Dis","first-page":"e2533","article-title":"Estimating the burden of Japanese encephalitis virus and other encephalitides in countries of the Mekong region","volume":"8","author":"Tarantola","year":"2014"},{"key":"ref2","series-title":"J Vector Borne Dis","first-page":"77","article-title":"Emerging and re-emerging arboviral diseases in southeast Asia","volume":"50","author":"Dash","year":"2013"},{"key":"ref3","series-title":"Lancet Glob Health","first-page":"e46","article-title":"Causes of non-malarial fever in Laos: a prospective study","volume":"1","author":"Mayxay","year":"2013"},{"key":"ref4","series-title":"Western Pac Surveill 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review","volume":"89","author":"Campbell","year":"2011"},{"key":"ref9","series-title":"Am J Trop Med Hyg","first-page":"281","article-title":"A cross-sectional study of Taenia solium in a multiple Taeniid-endemic region reveals competition may be protective","volume":"87","author":"Conlan","year":"2012"},{"key":"ref10","series-title":"Am J Trop Med Hyg","first-page":"624","article-title":"Soil-transmitted helminthiasis in Laos: a community-wide cross-sectional study of humans and dogs in a mass drug administration environment","volume":"86","author":"Conlan","year":"2012"},{"key":"ref11","series-title":"Proc Soc Exp Biol Med","first-page":"96","article-title":"Improved methods for hemagglutination studies with arthropod-borne viruses","volume":"8","author":"Clarke","year":"1955"},{"key":"ref12","series-title":"Am J Trop Med Hyg","first-page":"1166","article-title":"Serological investigations of Flavivirus prevalence in Khammouane Province, Lao People's Democratic Republic, 2007\u20132008","volume":"83","author":"Hiscox","year":"2010"},{"key":"ref13","series-title":"PLoS Negl Trop Dis","first-page":"e3034","article-title":"Patterns and risks of trichinella infection in humans and pigs in northern Laos","volume":"8","author":"Conlan","year":"2014"},{"key":"ref14","series-title":"Annu Rev Entomol","first-page":"17","article-title":"Ecology and geographical expansion of Japanese encephalitis virus","volume":"54","author":"van den Hurk","year":"2009"},{"key":"ref15","series-title":"Trop Med Int Health","first-page":"1134","article-title":"Spatial distribution and risk factors of dengue and Japanese encephalitis virus infection in urban settings: the case of Vientiane, Lao PDR","volume":"14","author":"Vall\u00e9e","year":"2009"},{"key":"ref16","series-title":"Emerg Infect Dis","first-page":"1736","article-title":"Domestic pigs and Japanese encephalitis virus infection, Australia","volume":"14","author":"van-den-Hurk","year":"2008"},{"key":"ref17","series-title":"Epidemiol Infect","first-page":"1292","article-title":"Risk factors for Japanese encephalitis: a case-control study","volume":"138","author":"Liu","year":"2010"},{"key":"ref18","series-title":"Infect Dis Ther","first-page":"145","article-title":"Japanese B encephalitis: an overview of the disease and use of Chimerivax-JE as a preventative vaccine","volume":"2","author":"Chin","year":"2013"},{"key":"ref19","article-title":"The Lao People's Democratic Republic Conducts A Successful Multi-antigen Vaccination Campaign and Introduces Japanese Encephalitis Vaccine in its Northern Provinces","author":"World Health Organization"}],"container-title":["The American Society of Tropical Medicine and 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