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 …

With the constantly mutating of SARS-CoV-2 and the emergence of Variants of Concern
(VOC), the implementation of vaccination is critically important. Existing SARS-CoV-2 …

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 …

Having adopted a dynamic zero-COVID strategy to respond to SARS-CoV-2 variants with
higher transmissibility since August 2021, China is now considering whether, and for how …

Abstract The Omicron (B. 1.1. 529) variant of SARS-CoV-2 emerged in November 2021 and
is rapidly spreading among the human population. Although recent reports reveal that the …

The emergence of the SARS-CoV-2 variant of concern Omicron (Pango lineage B. 1.1. 529),
first identified in Botswana and South Africa, may compromise vaccine effectiveness and …

The recent emergence of the SARS-CoV-2 Omicron variant is raising concerns because of
its increased transmissibility and its numerous spike mutations, which have the potential to …

The in vivo pathogenicity, transmissibility, and fitness of the severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) Omicron (B. 1.1. 529) variant are not well …

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 …

Since the appearance in the late of December 2019, SARS-CoV-2 is rapidly evolving and
mutating continuously, giving rise to various variants with variable degrees of infectivity and …