A Review of the History of the Coronavirus Disease 2019

Abstract

The coronavirus (CoV) family has many more pathological causes for humans and animals. CoV disease 2019 (COVID-19) has spread very rapidly worldwide is endemic, was first identified, isolated from pneumonia, and sourced to Wuhan is located in central China in 2019. The last reports have proposed that severe acute respiratory syndrome-associated CoV (SARS-CoV) deems altered CoV from bat source that came to many people as a due of zoonosis relocation. CoV was treated as a simple non-fatal virus until 2002, then started showing deaths SARS-CoV-1 from 2003 at a rate of 9.6%, in 2004, the Centers for Disease Control and the World Health Organization (WHO) declared of emergency. Middle East respiratory syndrome CoV has been discovered in dromedaries and has continued to kill humans since 2012, and the WHO was confirmed by the Chinese government of several cases of pneumonia by the end of 2019 and these cases were related to the Seafood Market in Huanan, 2020, was the COVID-19 pandemic, this virus was able to spread rapidly among people in most countries of the world, which made the proportion of mortality is rising very alarmingly. Therefore, all states must be careful and take precautionary measures to avoid infection. In this article, we review the origin of CoVs, their global transmission map, and their path of entry into humans.