{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T14:01:11Z","timestamp":1790776871128,"version":"4.1.0"},"reference-count":120,"publisher":"Public Library of Science (PLoS)","issue":"8","license":[{"start":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:00:00Z","timestamp":1787011200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/publicdomain\/zero\/1.0\/"}],"content-domain":{"domain":["www.plosntds.org"],"crossmark-restriction":false},"short-container-title":["PLoS Negl Trop Dis"],"abstract":"<jats:p>Japanese encephalitis (JE), a mosquito\u2011borne, vaccine\u2011preventable disease, is endemic to much of Asia and parts of Oceania. Its main clinical manifestation, encephalitis, is associated with a 20\u201330% case-fatality rate and long-term sequelae in 30%\u201350% of survivors. During the past two decades, substantial progress has been made in JE prevention and control. Notably, several countries have introduced JE vaccine into their national immunization programs, leading to marked reductions in morbidity and mortality. Nonetheless, major challenges remain, particularly because the disease cannot be eradicated meaning high-quality, long-term JE vaccination programs must be maintained. In addition, JEV has emerged in an increasingly wide geographic area, including in widespread parts of Australia, and shifts in the age distribution of cases towards adults in some JE-endemic areas have occurred. In this review, we summarize current knowledge on JE, outline recent advances in prevention and control, and describe key persisting and emerging concerns. Addressing these issues and continuing efforts to strengthen JE immunization programs will be important to reducing the burden of this disease for populations in endemic areas now and in the future.<\/jats:p>","DOI":"10.1371\/journal.pntd.0014641","type":"journal-article","created":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T17:33:44Z","timestamp":1787074424000},"page":"e0014641","update-policy":"https:\/\/doi.org\/10.1371\/journal.pntd.corrections_policy","source":"Crossref","is-referenced-by-count":3,"title":["Japanese encephalitis: Current status, recent progress, and persistent challenges"],"prefix":"10.1371","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1408-6047","authenticated-orcid":true,"given":"Susan L.","family":"Hills","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huong Minh","family":"Vu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3215-2183","authenticated-orcid":true,"given":"Punnee","family":"Pitisuttithum","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chang-Kweng","family":"Lim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christin H.","family":"Goodman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3271-6033","authenticated-orcid":true,"given":"Joachim","family":"Hombach","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tom","family":"Solomon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2026,8,18]]},"reference":[{"issue":"8","key":"pntd.0014641.ref001","doi-asserted-by":"crossref","first-page":"901","DOI":"10.1586\/14787210.2014.929498","article-title":"Control of Japanese encephalitis in Asia: the time is now","volume":"12","author":"S Hills","year":"2014","journal-title":"Expert Rev Anti Infect Ther"},{"key":"pntd.0014641.ref002","first-page":"173","article-title":"An epidemiologic study of Japanese B encephalitis with special reference to vaccine effectiveness","volume":"11","author":"S Matsuda","year":"1962","journal-title":"Bull Inst Publ Health"},{"key":"pntd.0014641.ref003","doi-asserted-by":"crossref","first-page":"577","DOI":"10.1016\/B978-0-323-79058-1.00035-9","article-title":"Japanese encephalitis vaccines","author":"SB Halstead","year":"2023","journal-title":"Plotkin\u2019s Vaccines. 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