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In recent years, different cases of human infections have been reported concomitantly with increased viral circulation in several European countries. Most USUV infections in humans remain asymptomatic; however, neuroinvasive disease has been reported, mainly in the elderly and the immunocompromised but also in healthy individuals. Herein, we report a case of severe USUV meningoencephalitis in an elderly patient treated with a short course of dexamethasone and discuss the potential role of steroids in light of the most recent literature on the pathogenetic mechanisms of arboviral encephalitis.<\/jats:p>","DOI":"10.1155\/crdi\/2284329","type":"journal-article","created":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T09:04:33Z","timestamp":1784883873000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Severe Usutu Virus Encephalitis Treated With Corticosteroids: A Case 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