RT info:eu-repo/semantics/article T1 La pandemia de gripe española vista desde el siglo XXI A1 Ortiz de Lejarazu Leonardo, Raúl A2 Ediciones Universidad de Valladolid AB On the 4th of March in 2018, it was the first century of the worst pandemic of influence than the humankind has ever known.Spanish influence pandemic is, only, equal to Black Death; 500 millions of persons were infected, and it´s calculated that 50-100 millions of persons died.That event was the main reason for influence vaccine’s development after discovering influence virus, and the deployment of one of the most extensive webs of world monitoring of infectious disease. SN 0210-6523 YR 2018 FD 2018 LK http://uvadoc.uva.es/handle/10324/44538 UL http://uvadoc.uva.es/handle/10324/44538 LA spa NO Anales de la Real Academia de Medicina y Cirugía de Valladolid, 2018, N.55, pags.367-384 DS UVaDOC RD 16-may-2024