Pérez-Izquierdo LE, Rivera-García R, Villarreal-Ríos E, et al. Incidence of COVID-19 in health workers. Work activity and home protection. Rev Med Inst Mex Seguro Soc. 2022;60(4):453-9. Accessed November 12, 2026. https://revistamedica.imss.gob.mx/index.php/revista_medica/article/view/4575