#Italy, 2026 Season #Surveilance for #Human Cases of #WNV & #Usutu Virus, Weekly Report (ISS, Oct. 1 '26): 700 cases & 54 deaths so far

 

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Summary

    ° Since the beginning of the 2026 epidemic season and as of 23 September2026, 700 confirmed human cases of West Nile Virus infection have been reported (they were 657 in the last week report).

    ° Of these: 

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

        § 88 were asymptomatic cases in blood donors, 

        § 239 were West Nile Fever cases, 

        § 4 were unspecified cases, 

        § 1 was an asymptomatic case.

    ° The number of affected regions rose to 83 in 19 Regions.

    ° Among confirmed cases, there were 54 deaths.

        § Case Fatality Rate in Neuroinvasive cases is now 14.6% (it was 14.9% in 2025).

    ° This season so far 15 cases of Usutu virus have been reported: 8 in Lombardy, 1 Emilia-Romagna, 1 Marche, 2 Latium, 1 Piedmont, 2 Veneto.

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Source: 

Link: https://www.epicentro.iss.it/westnile/bollettino/Bollettino_WND_2026_9.pdf

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