#Italy, #WNV & #Usutu Virus in Humans - Weekly #Surveillance #Report (ISS, Oct. 8 '26): 754 cases and 57 deaths so far

 

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Summary

    ° Since the beginning of the arboviral season and as of October 7 '26, 754 confirmed human cases of infection with West Nile Virus have been reported (they were 727 in the last week report);

    ° Of these:

        § 401 were West Nile Neuroinvasive Disease (among them, five were imported: 1 from Maldives, 1 France, 1 Belgium, 1 Greece and 1 the Netherlands), 

        § 94 werer asymptomatic cases in blood donors; 

        § 253 were West Nile Fever Cases; 

        § 5 were unspecified cases; 

        § 1 was an asymptomatic case.

    ° The number of provinces with WNV circulation is now 85 in 20 Regions.

    ° In addition, 57 fatal cases have been reported. The case-fatality rate in the WNND cases is now 14.1% (in 2025 it was 19.2%).

    ° Since the start of arboviral season, 18 human cases of infection with Usutu virus were recorded: 8 in Lombardy, 1 Friuli-Venezia Giulia, 1 Emilia-Romagna, 2 Marche, 3 Latium, 1 Piedmont, 2 Veneto).

Trend in Reported WNV Monthly Cases

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Source: 

Link: https://www.epicentro.iss.it/westnile/bollettino/Bollettino_WND_2026_11.pdf

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