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 …

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 …

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 …

The third pandemic of coronavirus infection, called COVID-19 disease, began recently in
China. The newly discovered coronavirus, entitled SARS-CoV-2, is the seventh member of …

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 …

The worldwide burden of coronavirus disease 2019 (COVID-19) is still unremittingly
prosecuting, with nearly 300 million infections and over 5.3 million deaths recorded so far …

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 …

Viruses are submicroscopic, obligate intracellular parasites that carry either DNA or RNA as
their genome, protected by a capsid. Viruses are genetic entities that propagate by using the …

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has
prompted the scientific community and the pharmaceutical companies to put maximum …

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