What To Know About The Current Variants of COVID-19 (SARS-CoV-2)? Novel variants of COVID-19 (SARS-CoV-2) have been emerging and circulating since the outbreak of the pandemic. This phenomenon is by no means unexpected, uncommon, or exclusive to COVID-19 (SARS-CoV-2). Especially RNA viruses such as coronaviruses and influenza viruses continuously change due to the mutations and...