{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T23:08:54Z","timestamp":1788476934901,"version":"build-2803163510"},"reference-count":84,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T00:00:00Z","timestamp":1773100800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pathogens"],"abstract":"<jats:p>West Nile virus (WNV) is a mosquito-borne flavivirus that remains an important public and veterinary health concern across Europe. Periodic outbreaks affecting humans, horses, and wildlife highlight the complex ecological interactions underlying viral circulation. This narrative review aims to synthesize current knowledge regarding WNV epidemiology, transmission dynamics, and surveillance strategies in Europe, with particular attention to the Romanian context. Available surveillance data indicate recurrent seasonal transmission in several European regions; however, reported case numbers may be influenced by differences in diagnostic capacity, reporting practices, and surveillance intensity among countries. Recent studies suggest that environmental variability, vector adaptation, and host community composition play important roles in shaping regional transmission risk, although the relative contribution of these factors remains incompletely quantified. Despite expanding surveillance networks and One Health initiatives, important knowledge gaps persist regarding the integration of environmental risk indicators, vector ecology, and operational preparedness into coherent risk-assessment frameworks. This review therefore examines current epidemiological patterns, evaluates surveillance approaches, and discusses emerging drivers of WNV transmission in Europe. As a narrative synthesis based on published literature and surveillance reports, this review is subject to limitations related to heterogeneity in available data and differences in national reporting systems. Nevertheless, a clearer understanding of these interacting factors may support improved surveillance strategies and more adaptive public health responses to future WNV transmission events. Reported surveillance data should be interpreted cautiously, as differences in national surveillance intensity, diagnostic capacity, and reporting frameworks across Europe may influence notified case numbers. Consequently, reported outbreaks do not necessarily reflect proportional differences in transmission intensity.<\/jats:p>","DOI":"10.3390\/pathogens15030298","type":"journal-article","created":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T08:43:31Z","timestamp":1773132211000},"page":"298","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["West Nile Virus in Europe: Epidemiology, Vector Ecology, Environmental Drivers, and the Role of Equine Sentinel Surveillance in a One Health Framework"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-9380-1985","authenticated-orcid":false,"given":"Paula","family":"Nistor","sequence":"first","affiliation":[{"name":"Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, University of Life Sciences \u201cKing Mihai I\u201d from Timi\u015foara, 300645 Timi\u015foara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Livia","family":"Stanga","sequence":"additional","affiliation":[{"name":"Discipline of Microbiology, Faculty of Medicine, \u201cVictor Babes\u201d University of Medicine and Pharmacy, Eftimie Murgu Square 2, 300041 Timi\u015foara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vlad","family":"Iorgoni","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, University of Life Sciences \u201cKing Mihai I\u201d from Timi\u015foara, 300645 Timi\u015foara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Razvan Grigore","family":"Cojocaru","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Veterinary Medicine, University of Life Sciences \u201cKing Mihai I\u201d from Timi\u015foara, 300645 Timi\u015foara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2531-6469","authenticated-orcid":false,"given":"Alexandru","family":"Gligor","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, University of Life Sciences \u201cKing Mihai I\u201d from Timi\u015foara, 300645 Timi\u015foara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandru","family":"Ciresan","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Veterinary Medicine, University of Life Sciences \u201cKing Mihai I\u201d from Timi\u015foara, 300645 Timi\u015foara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-9077-7939","authenticated-orcid":false,"given":"Bogdan","family":"Florea","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, University of Life 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Timi\u0219oara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cristian","family":"Zaha","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Veterinary Medicine, University of Life Sciences \u201cKing Mihai I\u201d from Timi\u015foara, 300645 Timi\u015foara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-0153-5533","authenticated-orcid":false,"given":"Cosmin Horatiu","family":"Maris","sequence":"additional","affiliation":[{"name":"Department of Forestry, Faculty of Engineering and Applied Technologies, University of Life Sciences \u201cKing Mihai I\u201d from Timi\u0219oara, 300645 Timi\u0219oara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7118-6488","authenticated-orcid":false,"given":"Viorel","family":"Herman","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases and Preventive 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