DOI: 10.2807/1560-7917.es.2026.31.24.2600458 ISSN: 1560-7917
Measles outbreak in an occupational setting: challenges to regain elimination status for Spain, 14 January to 11 April 2026
Esteban Aznar, Aurora Fernández-García, Noemí López-Perea, Josefa Masa-Calles, Nazaret Díaz-Sánchez, María Encarna Sánchez Carratalá, Eva Martín-Aragón Gónzalez, Israel Cremades Bernabeu, Gian Pietro Maletta Talarico, María Beso Delgado, Empar Giner Ferrando, Bernardo R Guzmán Herrador, Pilar Soler Crespo, María José Sierra Moros, Fernando Márquez, Esther Córdoba Deorador, Ana María Humanes Navarro, Ana Boned-Ombuena, María Amparo Pascual del Pobil FerréIn January 2026, 2 days after the World Health Organization (WHO) Regional Verification Commission (RVC) for the European Region declared the re-establishment of endemic measles transmission in Spain, an outbreak linked to an office building, occurred in the city of Alicante, with 34 cases (median age: 44 years; interquartile range (IQR): 43–47) including 23 women and 11 men. Key factors shaping this outbreak underscore challenges and possible ways to regain transmission control, which might have relevance for re-achieving elimination status in Spain.