<https://elpais.com/neumonia-a/neumonia/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://elpais.com/sociedad/2021-02-25/sanidad-notifica-9568-nuevos-contagios-de-coronavirus-y-345-fallecidos-en-las-ultimas-24-horas.html>