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 …

The past several months have witnessed the emergence of SARS-CoV-2 variants with novel
spike protein mutations that are influencing the epidemiological and clinical aspects of the …

Abstracts Despite the rising natural and vaccines mediated immunity, several countries have
experienced a resurgence of the Coronavirus disease of 2019 (COVID-19) due to the …

An ongoing pandemic of newly emerged SARS-CoV-2 has puzzled many scientists and
health care policymakers around the globe. The appearance of the virus was accompanied …

Since the beginning of the coronavirus disease 2019 (COVID-19) pandemic caused by it,
severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been undergoing a …

SARS-CoV-2 expresses on its surface the Spike protein responsible for binding with the
ACE2 receptor and which carries the majority of immunodominant epitopes. Mutations …

The sudden rise in COVID-19 cases in 2020 and the incessant emergence of fast-spreading
variants have created an alarming situation worldwide. Besides the continuous …

In the two years since the SARS-CoV-2 pandemic started, it has caused over 5 million
deaths and 400 million infected cases, and the world continues to be on high alert for COVID …

COVID-19 is a worldwide pandemic caused by SARS-coronavirus-2 (SARS-CoV-2). Less
than a year after the emergence of the Covid-19 pandemic, many vaccines have arrived on …

Although most mutations in the severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2) genome are expected to be either deleterious and swiftly purged or relatively …