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Rising scabies incidence in Spain: a retrospective observational analysis of four national data sources, 2011 to 2023
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View Affiliations Hide AffiliationsCorrespondence:Zaida Herradorzherrador isciii.es
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SCABEAT Network: Ignacio Párraga Martínez, Remedios Martín Álvarez, Susana Aldecoa Landesa, Ignacio García Doval, Guadalupe Miró Corrales, Oscar Herrero Felipe, Mónica Aquilino AmezView Citation Hide Citation
Citation style for this article: . Rising scabies incidence in Spain: a retrospective observational analysis of four national data sources, 2011 to 2023. Euro Surveill. 2025;30(47):pii=2500296. https://doi.org/10.2807/1560-7917.ES.2025.30.47.2500296 Received: 30 Apr 2025; Accepted: 18 Jul 2025
Abstract
Scabies is a skin disease caused by the mite Sarcoptes scabiei, resulting in intense itching and rash, and sometimes secondary infections with complications. Scabies is not typically a notifiable disease, which makes estimating its burden of disease challenging. In recent years, sharp increases have been reported in Europe.
This study characterises scabies epidemiology in Spain from 2011 to 2023.
This retrospective study triangulated data from primary care, hospital admissions, occupational diagnoses and outbreaks. Annual incidence rates (IRs) were calculated to assess temporal evolution, demographics and geographic distribution. Joinpoint regression identified IR changes, and time-series analysis explored seasonality. Occupational and outbreak data analysis identified high-risk activities and settings.
Incidence rates increased across all data sources, with marked acceleration from 2020–21. The greatest rise was seen in primary care (annual percentage change rose from 22.8% (95% CI: 7.2–31.9) in 2011–20 to 65.8% (95% CI: 47.5–96.6) in 2020–23). The IR was highest amongst 15–24-year-olds. Hospitalisations, with highest IR among people > 65 years, peaked each January. Occupational diagnoses were predominantly registered in healthcare settings (82.0%). Islands and northern coastal regions were most affected. Outbreaks were most frequent in households and nursing homes, with largest outbreaks in healthcare settings.
Given the increasing incidence of scabies in Spain, a strong response is needed to improve prevention, diagnosis, and treatment. Improved surveillance and targeted public health initiatives could mitigate further spread, as well as further research to better elucidate the mite-related and epidemiological factors that underline the recent increases across Europe.
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