A Comprehensive Review on Covid-19 Delta variant

Abstract

The Delta variant is a variant of SARS-CoV-2, which was the main reason behind the severity of the second wave in India. This variant had increased transmissibility and more severe infections. Currently, the Delta variant has dominated the number of infections all over the world. In England, as of June 14, there were 33,630 cases of delta variants in a weekCoronavirus, like all the other kinds of viruses, keeps mutating a process in which genetic information of the virus changes because of repeated copying errors. These mutations result in new variants, some of which can spread more easily, or cause more severe symptoms of covid-19 disease and a higher fatality rate.