With the high rate of COVID-19 infections worldwide, the emergence of SARS-CoV-2
variants was inevitable. Several mutations have been identified in the SARS-CoV-2 …

Background: SARS-CoV-2 is an RNA virus that undergoes mutation producing a variety of
strains. Mutagens include UV radiation, metals, and endogenous components of organisms …

A novel coronavirus (SARS-CoV-2) emerged towards the end of 2019 that caused a severe
respiratory disease in humans called COVID-19. It led to a pandemic with a high rate of …

Mutations in the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) occur
spontaneously during replication. Thousands of mutations have accumulated and continue …

Since the worldwide emergence of the COVID-19 outbreak, there have been international
concerns about the possible viral evolution into variants with underlying mutations that may …

Although the chief of the World Health Organization (WHO) has declared the end of the
coronavirus disease 2019 (COVID-19) as a global health emergency, the disease is still a …

The emergence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) variants
in different continents is causing a major concern in human global health. These variants …

The emergence of a novel coronavirus, severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2), and more recently, the independent evolution of multiple SARS-CoV-2 …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a newly discovered
coronavirus responsible for the coronavirus disease 2019 (COVID-19) pandemic. COVID-19 …

Monovalent vaccines using mRNA or adenoviruses have provided substantial protection
against the COVID-19 pandemic in many countries. However, viral mutations have …