Abstract The coronavirus disease 2019 (COVID-19) pandemic has stimulated tremendous
efforts to develop therapeutic strategies that target severe acute respiratory syndrome …

Since the outbreak of the coronavirus disease 2019 (COVID-19) pandemic, there have been
a few variants of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), one of …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron sublineages BA.
2.12. 1, BA. 4 and BA. 5 exhibit higher transmissibility than the BA. 2 lineage. The receptor …

The BQ and XBB subvariants of SARS-CoV-2 Omicron are now rapidly expanding, possibly
due to altered antibody evasion properties deriving from their additional spike mutations …

Abstract SARS-CoV-2 Omicron subvariants BA. 2.12. 1 and BA. 4/5 have surged notably to
become dominant in the United States and South Africa, respectively,. These new …

Continuous evolution of Omicron has led to a rapid and simultaneous emergence of
numerous variants that display growth advantages over BA. 5 (ref.). Despite their divergent …

The identification of the Omicron (B. 1.1. 529.1 or BA. 1) variant of severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) in Botswana in November 2021 1 immediately …

A severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron subvariant, BA.
2.86, has emerged and spread to numerous countries worldwide, raising alarm because its …

The severe acute respiratory syndrome coronavirus 2 Omicron BA. 1 sublineage has been
supplanted in many countries by the BA. 2 sublineage. BA. 2 differs from BA. 1 by about 21 …

The continuing emergence of SARS-CoV-2 variants highlights the need to update COVID-19
vaccine compositions. However, immune imprinting induced by vaccination based on the …