The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has recently emerged
in China and caused a disease called coronavirus disease 2019 (COVID-19). The virus …

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 …

T-cell responses to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have
been described in recovered patients, and may be important for immunity following infection …

The current global pandemic COVID-19 caused by the SARS-CoV-2 virus has already
inflicted insurmountable damage both to the human lives and global economy. There is an …

Background Shortly after the emergence of COVID-19, researchers rapidly mobilized to
study numerous aspects of the disease such as its evolution, clinical manifestations, effects …

SARS-CoV-2 emergent variants are characterized by increased viral fitness and each shows
multiple mutations predominantly localized to the spike (S) protein. Here, amide …

Over three years' pandemic of 2019 novel coronavirus disease (COVID-19), multiple
variants and novel subvariants have emerged successively, outcompeted earlier variants …

SARS-CoV-2 is currently considered to have emerged from a bat coronavirus reservoir.
However, the real natural cycle of this virus remains to be elucidated. Moreover, the COVID …

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 …

Since the beginning of this century, beta coronaviruses (CoV) have caused three zoonotic
outbreaks. However, little is currently known about the biology of the newly emerged SARS …