{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T12:52:25Z","timestamp":1770727945246,"version":"3.49.0"},"reference-count":118,"publisher":"Public Library of Science (PLoS)","issue":"2","license":[{"start":{"date-parts":[[2022,2,9]],"date-time":"2022-02-09T00:00:00Z","timestamp":1644364800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosntds.org"],"crossmark-restriction":false},"short-container-title":["PLoS Negl Trop Dis"],"abstract":"<jats:p>Dengue virus (DENV) is a flavivirus that is a significant cause of human disease costing billions of dollars per year in medical and mosquito control costs. It is estimated that up to 20% of DENV infections affect the brain. Incidence of DENV infections is increasing, which suggests more people are at risk of developing neurological complications. The most common neurological manifestations of DENV are encephalitis and encephalopathy, and movement disorders such as parkinsonism have been observed. Parkinsonism describes syndromes similar to Parkinson\u2019s Disease where tremors, stiffness, and slow movements are observed. Parkinsonism caused by viral infection is characterized by patients exhibiting at least two of the following symptoms: tremor, bradykinesia, rigidity, and postural instability. To investigate DENV-associated parkinsonism, case studies and reports of DENV-associated parkinsonism were obtained from peer-reviewed manuscripts and gray literature. Seven reports of clinically diagnosed DENV-associated parkinsonism and 15 cases of DENV encephalitis, where the patient met the case criteria for a diagnosis of viral parkinsonism were found. Clinically diagnosed DENV-associated parkinsonism patients were more likely to be male and exhibit expressionless face, speech problems, and lymphocytosis. Suspected patients were more likely to exhibit tremor, have thrombocytopenia and low hemoglobin. Viral parkinsonism can cause a permanent reduction in neurons with consequential cognitive and behavior changes, or it can leave a latent imprint in the brain that can cause neurological dysfunction decades after recovery. DENV-associated parkinsonism is underdiagnosed and better adherence to the case definition of viral parkinsonism is needed for proper management of potential sequalae especially if the patient has an ongoing or potential to develop a neurodegenerative disease.<\/jats:p>","DOI":"10.1371\/journal.pntd.0010118","type":"journal-article","created":{"date-parts":[[2022,2,9]],"date-time":"2022-02-09T18:24:52Z","timestamp":1644431092000},"page":"e0010118","update-policy":"https:\/\/doi.org\/10.1371\/journal.pntd.corrections_policy","source":"Crossref","is-referenced-by-count":20,"title":["Viral Parkinsonism: An underdiagnosed neurological complication of Dengue virus infection"],"prefix":"10.1371","volume":"16","author":[{"given":"Hannah K.","family":"Hopkins","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3336-6135","authenticated-orcid":true,"given":"Elizabeth M.","family":"Traverse","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7943-7181","authenticated-orcid":true,"given":"Kelli L.","family":"Barr","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"340","published-online":{"date-parts":[[2022,2,9]]},"reference":[{"key":"pntd.0010118.ref001","doi-asserted-by":"crossref","DOI":"10.3390\/v12060671","article-title":"Flavivirus infection associated with cerebrovascular events","volume":"12","author":"CF Estofolete","year":"2020","journal-title":"Viruses"},{"key":"pntd.0010118.ref002","article-title":"Dengue infection","volume":"2","author":"MG Guzman","year":"2016","journal-title":"Nat Rev Dis Prim"},{"key":"pntd.0010118.ref003","doi-asserted-by":"crossref","first-page":"935","DOI":"10.1016\/S1473-3099(16)00146-8","article-title":"The global economic burden of dengue: a systematic analysis","volume":"16","author":"DS Shepard","year":"2016","journal-title":"Lancet Infect Dis"},{"key":"pntd.0010118.ref004","doi-asserted-by":"crossref","first-page":"504","DOI":"10.1038\/nature12060","article-title":"The global distribution and burden of dengue","volume":"496","author":"S Bhatt","year":"2013","journal-title":"Nature"},{"key":"pntd.0010118.ref005","volume-title":"Global strategy for dengue prevention and control, 2012\u20132020.","author":"World Health Organization","year":"2012"},{"key":"pntd.0010118.ref006","doi-asserted-by":"crossref","first-page":"1","DOI":"10.3390\/v12080829","article-title":"Dengue: A minireview","volume":"12","author":"H Harapan","year":"2020","journal-title":"Viruses"},{"key":"pntd.0010118.ref007","unstructured":"World Health Organization. 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