The global response to Coronavirus Disease 2019 (COVID-19) is now facing new
challenges such as vaccine inequity and the emergence of SARS-CoV-2 variants of concern …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a virus that belongs to
the coronavirus family and is the cause of coronavirus disease 2019 (COVID-19). As of May …

Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron
(B. 1.1. 529) variant has proven to be highly transmissible and has outcompeted the Delta …

Abstract The SARS-CoV-2 Omicron subvariant BA. 5 rapidly spread worldwide and replaced
BA. 1/BA. 2 in many countries, becoming globally dominant. BA. 5 has unique amino acid …

SARS-CoV-2 has caused morbidity and mortality across the globe. As the virus spreads,
new variants are arising that show enhanced capacity to bypass preexisting immunity. To …

Abstract ChAdOx1 nCoV-19 (AZD1222) is a replication-deficient simian adenovirus–
vectored vaccine encoding the spike (S) protein of SARS-CoV-2, based on the first …

Current COVID-19 vaccines are based on prototypic spike sequences from ancestral 2019
SARS-CoV-2 strains. However, the ongoing pandemic is fueled by variants of concern …

Summary Background SARS-CoV-2 Omicron variant is rampantly spreading across the
globe. We assessed the pathogenicity and immune response generated by BA. 1.1 sub …

SARS-CoV-2 variants have emerged with elevated transmission and a higher risk of
infection for vaccinated individuals. We demonstrate that a recombinant prefusion-stabilized …

To control the coronavirus disease 2019 (COVID-19) pandemic and the emergence of
different variants of concern (VoCs), novel vaccines against severe acute respiratory …