Overview

• The Istituto Superiore di Sanità’s latest bulletin reports 275 confirmed infections and inconsistent national fatality figures ranging between 19 and 21
• An 87-year-old man from Velletri died at Rome’s Spallanzani institute, marking Lazio’s tenth West Nile fatality this season
• Among confirmed cases, 126 patients developed neuro-invasive disease with a 15.1% mortality rate and 20 asymptomatic infections were identified through donor screening
• West Nile virus has now been detected in 52 provinces across 15 regions, extending beyond initial hotspots in Lazio and Campania into northern areas such as Lombardy and Veneto
• Authorities have deployed targeted larvicidal treatments alongside expanded vector surveillance and require NAT testing or temporary deferral for donors in affected provinces