International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases · 2026
Diagnostic challenges in Flaviviridae infections: first human case of Usutu virus aseptic meningitis in an immunocompetent subject in Italy.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Trillocco Giacomo, Giuliano Gabriele, Alessandri Giulia, Trezzi Michele, Pippi Francesco, Tumbarello Mario, Terrosi Chiara, Cucini Sabrina, Cusi Maria Grazia
Аннотация
OBJECTIVES: Usutu virus (USUV) is a mosquito-borne Orthoflavivirus. Human USUV infections are rare and are often asymptomatic or mild; however, neuroinvasive manifestations such as meningoencephalitis have occasionally been reported.
DESIGN OR METHODS: Diagnosis of USUV infection is challenging due to serological cross-reactivity with other flaviviruses, particularly West Nile virus, which often shares the same geographical distribution, as well as the lack of rapid and accurate serological and molecular diagnostic tools.
RESULTS: Here, we report the first case of aseptic meningitis caused by USUV in an immunocompetent subject in Italy.
CONCLUSION: Highlighting the complex microbiological diagnostic pathway required to achieve an etiological diagnosis.
DESIGN OR METHODS: Diagnosis of USUV infection is challenging due to serological cross-reactivity with other flaviviruses, particularly West Nile virus, which often shares the same geographical distribution, as well as the lack of rapid and accurate serological and molecular diagnostic tools.
RESULTS: Here, we report the first case of aseptic meningitis caused by USUV in an immunocompetent subject in Italy.
CONCLUSION: Highlighting the complex microbiological diagnostic pathway required to achieve an etiological diagnosis.