Reinfection in COVID-19; Gap Between Theory and Reality Shaghayegh Rahmani Innovated Medical Research Center, Mashhad Branch, Islamic Azad University, Mashhad, Iran. Shahram Keikha Department of Emergency Medicine, Mashhad Branch, Islamic Azad University, Mashhad, Iran. DOI: https://doi.org/10.18502/fem.v5i4.6688 Abstract The article's abstract is not available. PDF Published 2021-07-11 Issue Volume (5) issue (4) Section Articles