Peer-reviewed veterinary case report
Outbreak of autochthonous West Nile virus infection in Lazio region, Italy, July to August 2025: preliminary investigation.
- Journal:
- Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin
- Year:
- 2025
- Authors:
- Mussetto, Ilaria et al.
- Affiliation:
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS · Italy
- Species:
- horse
Abstract
In July-18 August 2025, 171 autochthonous cases with West Nile virus (WNV) infection were confirmed in Lazio, Italy: four asymptomatic blood donors, 110 with WNV fever, 57 with neuroinvasive syndrome and nine deaths. WNV lineage 2 was detected in two neuroinvasive cases. Infection with WNV was confirmed in 28 horses, five crows and apool. We present the preliminary epidemiological and phylogenetic analysis of the outbreak and the public health measures taken within a One Health approach.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/40910225/