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 …

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 …

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 …

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 animal reservoir of SARS-CoV-2 is unknown despite reports of SARS-CoV-2-related
viruses in Asian Rhinolophus bats,,–, including the closest virus from R. affinis, RaTG13 …

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant of
concern evades antibody-mediated immunity that comes from vaccination or infection with …

Abstract The SARS-CoV-2 Omicron variant was first identified in November 2021 in
Botswana and South Africa,–. It has since spread to many countries and is expected to …

On 24 th November 2021, the sequence of a new SARS-CoV-2 viral isolate Omicron-B. 1.1.
529 was announced, containing far more mutations in Spike (S) than previously reported …

Summary The SARS-CoV-2 Omicron variant with increased fitness is spreading rapidly
worldwide. Analysis of cryo-EM structures of the spike (S) from Omicron reveals amino acid …