Severe Usutu Virus Encephalitis Treated With Corticosteroids: A Case Report. - Casolari, Stefania; Lusetti, Deborah; Martini, Elena; Gozzi, Licia; Orlando, Gabriella; Franceschini, Erica; Mussini, Cristina; Miyahara, Satoshi (Case Reports in Infectious Diseases, 2026)