Iran as the center of challenges in the middle east for the outbreak of COVID-19 delta variant

ABSTRACT

Context During the past three decades, the Middle East has experienced three major viral epidemics. Coronavirus disease 2019 (COVID-19) is a pulmonary disease which has been first reported in China in the early third decade of the 21st century and quickly infected people in Asia, the Middle East, and the entire world. This pandemic is life-threatening and has caused widespread financial losses;however, the exact extent of the damage is still unclear. Evidence Acquisition This review study aimed to present the latest on the COVID-19 symptoms, pathogenicity, host immune responses, etiology and epidemiology, transmission routes in the Middle Eastern countries, especially Iran, and the role this country plays in the spread of the disease. The search was conducted using Google scholar, PubMed, Scopus, and ISI Web of Science to identify relevant studies published from 2019 to 2021.