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After the convalescent phase, the infant developed a new-onset fever with lethargy and drowsiness. Dengue encephalitis was diagnosed with support from a positive dengue reverse-transcriptase PCR in the cerebrospinal fluid. This report has shown the importance of clinical awareness. Early recognition of congenital dengue and vigilant monitoring will contribute to appropriate early management and decrease neonatal morbidity and mortality.<\/jats:p>","DOI":"10.1136\/bcr-2023-256476","type":"journal-article","created":{"date-parts":[[2023,12,30]],"date-time":"2023-12-30T10:35:12Z","timestamp":1703932512000},"page":"e256476","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":9,"title":["Vertical dengue transmission complicated with neonatal encephalitis"],"prefix":"10.1136","volume":"16","author":[{"given":"Suppapit","family":"Usama","sequence":"first","affiliation":[{"name":"Ramathibodi Chakri Naruebodindra Hospital, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangpla, Samutprakarn, Thailand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Surapat","family":"Assawawiroonhakarn","sequence":"additional","affiliation":[{"name":"Ramathibodi Medical School, Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangpla, Samut prakarn, Thailand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sasivimon","family":"Soonsawad","sequence":"additional","affiliation":[{"name":"Ramathibodi Medical School, Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangpla, Samut prakarn, Thailand"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2023,12,30]]},"reference":[{"key":"2025082711001396000_16.12.e256476.1","doi-asserted-by":"publisher","DOI":"10.1038\/nature12060"},{"key":"2025082711001396000_16.12.e256476.2","doi-asserted-by":"crossref","unstructured":"Thisyakorn U , Saokaew S , Gallagher E , et al . 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