An Overview 0f Characteristics of SARS-Cov-2 And COVID-19 And Therefore the Proximal Origin of SARS-Cov-2

Coronaviruses area unit a various cluster of viruses infecting many alternative animals, and that they will cause delicate to severe metastasis infections in humans. In 2002 and 2012, severally, 2 extremely unhealthful coronaviruses with animal disease origin, severe acute metastasis syndrome coronavirus (SARS-CoV) and geographic area metastasis syndrome coronavirus (MERS-CoV), emerged in humans and caused fatal respiratory disorder, creating rising coronaviruses a replacement public health concern within the ordinal century [1]. At the tip of 2019, a unique coronavirus selected as SARS-CoV-2 emerged within the town of metropolis, China, and caused a deadly disease of surprising virus infection. Being extremely transmissible, this novel coronavirus sickness, conjointly called coronavirus sickness 2019 (COVID-19), has unfold quick everywhere the planet [2,3]. it's irresistibly surpassed respiratory illness and MERS in terms of each the quantity of infected individuals and therefore the abstraction vary of epidemic areas