COVID-19

Abstract

Since December 2019, a pneumonia outbreak with unknown etiology occurred in Wuhan, China. Later, the pathogen was identified as novel human coronavirus and named as Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). The disease was named corona virus disease 2019 (COVID-19) and caused a pandemic. As of 23 June 2020, the global COVID-19 pandemic has battered the world. More than 1.5 million people have died with over 80 million people confirmed infected. This outbreak is spreading in approximately 216 countries and regions as of 22 July 2020. Comparing the three human coronavirus, SARS and MERS have significantly higher case fatality rates than COVID-19, but COVID-19 is more infectious and spreads more easily among people. Therefore, in this chapter, the authors summarize the most fatal pandemic in recorded history. Also, they collected all information about the current knowledge about COVID-19 pandemic including similarity and differences with other human coronaviruses.