Background Vaccines are critical cost-effective tools to control the coronavirus disease 2019
(COVID-19) pandemic. However, the emergence of variants of the severe acute respiratory …

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 …

The emergence of the highly transmissible B. 1.1. 529 Omicron variant of severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) is concerning for antibody …

Abstract SARS-CoV-2 Delta and Omicron are globally relevant variants of concern. Although
individuals infected with Delta are at risk of developing severe lung disease, infection with …

The emergence of SARS-CoV-2 variants harboring mutations in the spike (S) protein has
raised concern about potential immune escape. Here, we studied humoral and cellular …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused the global
COVID-19 pandemic. Rapidly spreading SARS-CoV-2 variants may jeopardize newly …

The COVID-19 pandemic has had widespread effects across the globe, and its causative
agent, SARS-CoV-2, continues to spread. Effective interventions need to be developed to …

The emergence of SARS-CoV-2 variants has raised concerns about altered sensitivity to
antibody-mediated immunity. The relative resistance of SARS-CoV-2 variants B. 1.1. 7 and …

Background A new variant of SARS-CoV-2, B. 1.1. 7, emerged as the dominant cause of
COVID-19 disease in the UK from November, 2020. We report a post-hoc analysis of the …

Global case and death incidences continued to decrease with over 3 million new weekly
cases and over 73 000 new deaths, a 15% and an 8% decrease respectively, compared to …