2023-04-052023-04-0520208640300http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S0864-03002020000200011https://revibiomedica.sld.cu/index.php/ibi/article/view/760/923https://cris.unheval.edu.pe/es/publications/covid-19-c%C3%B3mo-proteger-a-los-que-nos-protegenhttp://www.scopus.com/inward/record.url?scp=85090740202&partnerID=8YFLogxKspaCOVID-19: ¿Cómo proteger a los que nos protegen? [COVID-19: how to protect those who protect us?]info:eu-repo/semantics/article