SARS-CoV-2 are enveloped RNA viruses that belong to the family Coronaviridae of genus
Beta coronavirus, responsible for the COVID-19 pandemic. The mutation rate is high among …

The immune response elicited by the current COVID-19 vaccinations declines with time,
especially among the immunocompromised population. Furthermore, the emergence of …

Many aspects of the SARS-CoV-2 virus remain poorly understood, including its rapid
mutation and its effects on populations of different ages. The present literature of review is …

The incidence and death toll due to SARS-CoV-2 infection varied time-to-time; and
depended on several factors, including severity (viral load), immune status, age, gender …

SARS-CoV-2 (Severe Acute Respiratory Syndrome-Coronavirus 2) has accumulated
multiple mutations during its global circulation. Recently, three SARS-CoV-2 lineages, B …

Since the first cases of severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2)
infection, there have been challenges recognizing the clinical features of SARS‑CoV‑2 and …

The widespread increase in multiple severe acute respiratory syndrome coronavirus-2
(SARS-CoV-2) variants is causing a significant health concern in the United States and …

Background Over the last two decades, humanity has observed the extraordinary anomaly
caused by novel, weird coronavirus strains, such as severe acute respiratory syndrome …

More than a year after the SARS-CoV-2 pandemic, the Coronavirus disease 19 (COVID-19)
is still a major global challenge for scientists to understand the different dimensions of …

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