The emergence of SARS-CoV-2 variants may cause resistance at the immunity level against
current vaccines. Some emergent new variants have increased transmissibility, infectivity …

Over the past two years, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-
2) has caused hundreds of millions of infections, resulting in an unprecedented pandemic of …

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) caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) is now a global pandemic that has wreaked havoc …

The emergence of SARS-CoV-2 in late 2019 led to the COVID-19 pandemic all over the
world. When the virus was first isolated and its genome was sequenced in the early months …

Over the past 2 years, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
caused the coronavirus disease 2019 (COVID-19) and rapidly spread worldwide. In the …

The ongoing COVID-19 pandemic has imposed a series of challenges on the scientific
community. One of the biggest was the development of safe and effective vaccines in record …

Coronavirus 19 Disease (COVID-19) originating in the province of Wuhan, China in 2019, is
caused by the severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2), whose …

SARS-CoV-2, the causal agent of COVID-19, first emerged in late 2019 in China. It has since
infected more than 870,000 individuals and caused more than 43,000 deaths globally. Here …

ABSTRACT The current Coronavirus Disease 2019 (COVID-19) pandemic is causing great
alarm around the world. The pathogen for COVID-19–severe acute respiratory syndrome …