The structural spike (S) glycoprotein of severe acute respiratory syndrome coronavirus-2
(SARS-CoV-2) plays an essential role in infection and is an important target for neutralizing …

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) disclose the variants of
concern (VOC) including Alpha (B. 1.1. 7), Beta (B. 1.351), Gamma (P1), Delta (B. 1.617. 2) …

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 …

Despite the slow evolutionary rate of SARS-CoV-2 relative to other RNA viruses, its massive
and rapid transmission during the COVID-19 pandemic has enabled it to acquire significant …

Abstract Coronavirus disease 2019 (COVID-19) has become a global pandemic disease.
SARS-CoV-2 variants have aroused great concern and are expected to continue spreading …

INTRODUCTION Variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-
2) have been circulating worldwide since the beginning of the pandemic. Some are termed …

The worldwide battle against the SARS-CoV-2 virus rages on, with millions infected and
many innocent lives lost. The causative organism, severe acute respiratory syndrome …

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 …

The COVID-19 pandemic caused by SARS-CoV-2 is associated with a lower fatality rate
than its SARS and MERS counterparts. However, the rapid evolution of SARS-CoV-2 has …

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 …