{Summary}
• Since the beginning of 2026 seasonal surveillance and as of October 14 '26, 770 human cases of infection with West Nile Virus have been reported in Italy (they were 754 in last week report),
° Of these,
§ 411 were West Nile Neuroinvasive Disease (WNND) of which 5 imported: 1 from Maldives, 1 France, 1 Belgium, 1 Greece and 1 the Netherlands,
§ 96 were asymptomatic cases among blood donors,
§ 257 were West Nile Fever cases,
§ 1 was an asymptomatic case.
° So far this season, 88 Provinces reported WNV circulation in 20 Regions.
° Among WNND cases, 61 deaths were recorded.
§ The Case-Fatality Rate is now 14.8% (in 2025, it was 18.8%).
° This season, 18 human cases of infection with Usutu virus have been confirmed (8 in Lombardy, 1 Friuli-Venezia Giulia, 1 Emilia-Romagna, 2 Marche, 3 Latium, 1 Piedmont, 2 Veneto).
(...)
Source:
Link: https://www.epicentro.iss.it/westnile/bollettino/Bollettino_WND_2026_12.pdf
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