ArticleEuro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin2022
One Health surveillance of West Nile and Usutu viruses: a repeated cross-sectional study exploring seroprevalence and endemicity in Southern France, 2016 to 2020.
Article in Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 35 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
35 citing papers in PubMed, 1 synthesis or guideline pooled it, 44 citations in OpenAlex.
- Human West Nile virus infection: a meta-analysis of recent global data (2019-24).Journal of global health · 2025Pooled it
- Widespread circulation of West Nile and Usutu viruses in sedentary and migratory avifauna: A two-year study (2024-2025) of active surveillance in South of France.PLoS neglected tropical diseases · 2026Article
- Usutu virus promotes West Nile virus replication in Culex pipiens biotype molestus during simultaneous and sequential co-infections.PLoS pathogens · 2026Article
- Patterns of emergence and circulation of West Nile Virus in Algeria.Nature communications · 2026Article
- Seroprevalence of West Nile virus among blood donors in mainland France, 2021 to 2022.Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2026Article
- Modelling the impact of temperature and bird migration on the spread of West Nile virus.One health (Amsterdam, Netherlands) · 2026Article
- Vector competence of Belgian Anopheles plumbeus mosquitoes for West Nile virus under different temperature conditions.Parasites & vectors · 2026Article
- Genomic Epidemiology of West Nile Virus in Paris.JAMA network open · 2026Article
- Modelling vector and host distributions to inform potential disease risk: A case study of West Nile virus in the United Kingdom.Medical and veterinary entomology · 2025Article
- Two Cases of Autochthonous West Nile Virus Encephalitis, Paris, France, 2025.Emerging infectious diseases · 2025Article
- Rapid-Response Vector Surveillance and Emergency Control During the Largest West Nile Virus Outbreak in Southern Spain.Insects · 2025Article
- Article
- Tracking the urban spread of Usutu virus in southern France: Detection across biological and environmental matrices.PLoS neglected tropical diseases · 2025Article
- Seroprevalence of West Nile Virus in Blood Donors in Mainland Portugal.Tropical medicine and infectious disease · 2025Article
- Lower Bird Evenness and Diversity Are Associated With Higher Usutu Prevalence in Culex pipiens Mosquitoes.Zoonoses and public health · 2025Article
- Seroprevalence of West Nile, Usutu and tick-borne encephalitis viruses in equids from south-western France in 2023.Veterinary research · 2025Article
- First Serologic Evidence of West Nile Virus and Usutu Virus Circulation Among Dogs in the Bulgarian Danube Region and Analysis of Some Risk Factors.Veterinary sciences · 2025Article
- Seroprevalence of West Nile virus, Greece, 2020.Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2025Article
- A metagenomics survey of viral diversity in mosquito vectors allows the first detection of Sindbis virus in Burkina Faso.PloS one · 2025Article
- Article
Corrections and comments
- Erratum issued
Authors and funding
25 authors at 9 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BackgroundWest Nile virus (WNV) and Usutu virus (USUV), two closely related flaviviruses, mainly follow an enzootic cycle involving mosquitoes and birds, but also infect humans and other mammals. Since 2010, their epidemiological situation may have shifted from irregular epidemics to endemicity in several European regions; this requires confirmation, as it could have implications for risk assessment and surveillance strategies.AimTo explore the seroprevalence in animals and humans and potential endemicity of WNV and USUV in Southern France, given a long history of WNV outbreaks and the only severe human USUV case in France in this region.MethodsWe evaluated the prevalence of WNV and USUV in a repeated cross-sectional study by serological and molecular analyses of human, dog, horse, bird and mosquito samples in the Camargue area, including the city of Montpellier, between 2016 and 2020.ResultsWe observed the active transmission of both viruses and higher USUV prevalence in humans, dogs, birds and mosquitoes, while WNV prevalence was higher in horses. In 500 human samples, 15 were positive for USUV and 6 for WNV. Genetic data showed that the same lineages, WNV lineage 1a and USUV lineage Africa 3, were found in mosquitoes in 2015, 2018 and 2020.ConclusionThese findings support existing literature suggesting endemisation in the study region and contribute to a better understanding of USUV and WNV circulation in Southern France. Our study underlines the importance of a One Health approach for the surveillance of these viruses.
Indexed as
Identifiers
What Socratic holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.