SARS-CoV-2 Mutations, Origin of Variants and Prediction of Mutations To Control Severe Diseases in Humans

Abstract

The widely spread pandemic of COVID-19 throughout the world is due to the Corona virus known as Sars-CoV-2 which was first detected in the Wuhan district of China at the end of 2019. With the increase of pandemic in 2020 all countries of the world are facing serious threats to public health and economic crisis. So far seven types of coronavirus have been detected such as SARS-CoV, MERS- CoV, HKU1, NL 63, OC 43, 229 E and recent one SARS-CoV-2. Of these coronaviruses, SARS-COV, MERS-CoV and SARS-CoV-2 cause severe diseases to humans and other viruses show mild symptoms.