SARS – COV-2 (COVID-19) Pandemic: A Critical Review on Novel Coronavirus Pathogenesis, Clinical Diagnosis and Treatment

Abstract

The 2019-nCoV is officially called SARS-CoV-2 and the disease is named COVID-19. The Novel coronavirus (SARS-CoV-2) caused pneumonia in Wuhan, China in December 2019 is a highly contagious disease. The World Health Organization (WHO) has declared it as a global public health emergency. This is the third serious Coronavirus outbreak in less than 20 years, following SARS in 2002–2003 and MERS in 2012. Currently, the research on novel coronavirus is still in the primary stage. It is currently believed that this deadly Coronavirus strain originated from wild animals at the Huanan market in Wuhan by Bats, snakes and pangolins have been cited as potential carriers. On the basis of current published evidence, we systematically summarize the epidemiology, clinical characteristics, diagnosis, treatment and prevention of COVID-19. This review in the hope of helping the public effectively recognize and deal with the novel coronavirus (SARS-CoV-2) and providing a reference for future studies. Keywords: SARS-CoV-2, COVID-19, Coronavirus, pneumonia, Respiratory infection