In late 2020, after circulating for almost a year in the human population, severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) exhibited a major step change in its …

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

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 …

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 …

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 …

The Omicron lineage of SARS-CoV-2, which was first described in November 2021, spread
rapidly to become globally dominant and has split into a number of sublineages. BA. 1 …

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 1. The receptor …

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 continued evolution of SARS-CoV-2 has led to the emergence of several new Omicron
subvariants, including BQ. 1, BQ. 1.1, BA. 4.6, BF. 7, and BA. 2.75. 2. Here, we examine the …

Abstract The SARS-CoV-2 Omicron BA. 1 variant emerged in 2021 and has multiple
mutations in its spike protein. Here we show that the spike protein of Omicron has a higher …