Diagnostic challenges in Flaviviridae infections: first human case of Usutu virus aseptic meningitis in an immunocompetent subject in Italy.

Key Points

• This research aims to highlight the diagnostic complexities of flaviviridae infections, especially Usutu virus.
• Case presentation of an immunocompetent individual
• Clinical evaluation and diagnostic testing
• Analysis of symptoms and laboratory results
• First reported human case of Usutu virus causing aseptic meningitis
• Patient presented with typical symptoms of viral meningitis
• Diagnostic challenges included differentiating from other viral infections