Pandemic of coronavirus disease 19 (COVID-19): A comprehensive review

Abstract

Coronaviruses are a group of enveloped viruses with non-segmented, singlestranded, and positive-sense RNA genomes. Coronavirus disease 2019 (COVID-19) caused by new coronavirus (COVID-19) was first identified in December 2019 in Wuhan, the capital of China’s Hubei province and has rapidly spread all over the world. This virus has spread to more than 220 countries, and more than 21,549,706 confirmed cases and 767,158 deaths have been recorded, large global increases in the number of daily cases. COVID-19 is a serious disease which cause high mortality in human and also, contributed to the global economic downturn. Hence, control measures and precautions should be taken and developing effective treatment and vaccine to slow down the spread of the virus.