“Situation of Notifiable Diseases Reported to the National Epidemiological Surveillance (RENAVE) in 2021”. Boletín Epidemiológico Semanal 31, no. 1 (March 31, 2023): 8–22. Accessed September 16, 2026. https://revista.isciii.es/index.php/bes/article/view/1283.