Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of
the devastating global COVID-19 pandemic announced by WHO in March 2020. Through …

Abstract The coronavirus disease 2019 (COVID‐19) pandemic can hardly end with the
emergence of different variants over time. In the past 2 years, several variants of severe …

Comprehending the morphological disparities between SARS-CoV-2 and SARS-CoV
viruses can shed light on the underlying mechanisms of infection and facilitate the …

Background SARS‐CoV‐2 genomic surveillance is necessary for the detection, monitoring,
and evaluation of virus variants, which can have increased transmissibility, disease severity …

This study investigated the efficacy of existing vaccines against hospitalization and infection
due to the Omicron variant of COVID-19, particularly for those who received two doses of …

Despite tremendous global efforts since the beginning of the COVID-19 pandemic, still only
a limited number of prophylactic and therapeutic options are available. Although vaccination …

The emergence of SARS-CoV-2, the virus responsible for the COVID-19 pandemic, has
sparked intense research on its spike protein, which is essential for viral entrance into host …

The COVID-19 pandemic caused by SARS-CoV-2 has reached by February 2022 more than
380 million cases and 5.5 million deaths worldwide since its beginning in late 2019, leading …

SARS-CoV-2 lineages and variants of concern (VOC) have gained more efficient
transmission and immune evasion properties with time. We describe the circulation of VOCs …

Background The existence of mutated Delta (B. 1.617. 2) variants of SARS-CoV-2 causes
rapid transmissibility, increase in virulence, and decrease in the effectiveness of public …