ArticleViruses2023
Abrupt Increase in Detection of Locally Acquired West-Nile-Virus-Lineage-2-Mediated Neuroinvasive Disease in a Previously Non-Endemic Area of Southern Italy (2023).
Article in Viruses, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Article
- Endemic progression of autochthonous West Nile virus infections in Europe.European journal of microbiology & immunology · 2026Review
- Autoantibodies neutralizing type I IFNs in 40% of patients with WNV encephalitis in seven new cohorts.Journal of human immunity · 2026Article
- Spatiotemporal and Demographic Patterns of West Nile Neuroinvasive Disease in Vojvodina, Serbia, 2012-2025.Viruses · 2026Article
- Introduction of a European Central-South-Eastern West Nile Virus Lineage 2 Strain in Italy in 2023: Evidence from the First Locally Acquired Neuroinvasive Case in the Calabria Region.International journal of molecular sciences · 2026Article
- Retrospective Analysis and Cross-Validated Forecasting of West Nile Virus Transmission in Italy: Insights from Climate and Surveillance Data.Tropical medicine and infectious disease · 2025Article
- Autoantibodies neutralizing type I IFNs in 40% of patients with WNV encephalitis in seven new cohorts.medRxiv : the preprint server for health sciences · 2025Article
- West Nile Virus Outbreak in Israel 2024 Compared with Previous Seasons: A Retrospective Study.Infectious diseases and therapy · 2025Article
- Article
- First seroprevalence study of West Nile Virus (WNV) infection in blood donors after the upsurge of West Nile Neuroinvasive Disease (WNND) cases in southern Italy in 2023.BMC infectious diseases · 2025Article
- EAVLD 2024 - 7Italian journal of food safety · 2024Article
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Authors and funding
11 authors.
Funding
Abstract
West Nile virus (WNV) is a public health concern in Europe. Rising temperatures and the migration of potential vectors promote the spread of viruses to previously unaffected areas. In 2023, the Apulia region of Southern Italy experienced an unexpected increase in West Nile neuroinvasive disease (WNND); no such cases had been reported in the previous 10 years. Overall, eight autochthonous cases of WNV infection were identified between July and October 2023, six of which were WNND. All cases were male (median age, 73 years). Two of the cases were blood donors. All WNND cases were hospitalized and all recovered within a few weeks. Surveillance data showed that, in the Apulia region, WNV Lineage 2 was detected in humans, mosquitoes, and horses. Based on the number of WNND cases reported, we can assume that a high number of infections occurred during the summer period. Changes in the climate in the region over recent years could be considered among the main drivers of the rapid increase in WNV infections. Therefore, integrated surveillance should be strengthened to avoid the potential massive spread of WNV in Southern Italy. Moreover, the implementation of whole-genome sequencing of WNV strains, as well as seroepidemiological studies in the area, will facilitate a better understanding of circulation dynamics.
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