Viral variants of concern may emerge with dangerous resistance to the immunity generated
by the current vaccines to prevent coronavirus disease 2019 (Covid-19). Moreover, if some …

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 …

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 …

The ongoing COVID-19 pandemic caused by severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) has become a global threat. Despite strict control measures …

Background Many new variants of the severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) have been termed variants of concern/interest (VOC/I) because of the greater …

Since the beginning of 2020, the world has been in a race to develop vaccines that can
control the COVID-19 pandemic. More than 250 projects have been initiated for this …

Abstract Background The SARS-CoV-2 coronavirus epidemic is hastening the discovery of
the most efficient vaccines. The development of cost-effective vaccines seems to be the only …

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 …

The ongoing coronavirus disease 2019 (COVID-19) outbreak in Wuhan, China, was
triggered and unfolded quickly throughout the globe by severe acute respiratory syndrome …

New SARS-CoV-2 Variants — Clinical, Public Health, and Vaccine Implications | New England
Journal of Medicine Skip to main content The New England Journal of Medicine homepage …