The highly transmissible Omicron (B. 1.1. 529) variant of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) was first detected in late 2021. Initial Omicron waves were …

The emergence of different variants of SARS-CoV-2, including the Omicron (B. 1.1. 529)
variant in November 2021, has resulted in a continuous major health concern at a global …

Abstract The SARS-CoV-2 Omicron variant of concern comprises three sublineages
designated BA. 1, BA. 2, and BA. 3, with BA. 2 steadily replacing the globally dominant BA …

Epidemiologic surveillance has revealed decoupling of Coronavirus Disease 2019 (COVID-
19) hospitalizations and deaths from case counts after emergence of the Omicron (B. 1.1 …

Background and Methods The SARS-CoV-2 (severe acute respiratory syndrome
coronavirus 2) Omicron (B. 1.1. 529) variant is the antigenically most distinct variant to date …

The Omicron variant of SARS-CoV-2 was detected in October 2021 and exhibited high
transmissibility, immune evasion, and reduced severity when compared to the earlier …

Since the emergence of COVID 19, the authentic SARS-CoV-2 has evolved into a range of
novel variants that are of more global concern. In late November 2021, the Omicron (lineage …

SARS-CoV-2 variants accumulating immune escape mutations provide a significant risk to
vaccine-induced protection against infection. The novel variant of concern (VoC) Omicron …

Recent surveillance has revealed the emergence of the SARS-CoV-2 Omicron variant (BA.
1/B. 1.1. 529) harboring up to 36 mutations in spike protein, the target of neutralizing …

The emergence of the SARS‐CoV‐2 Omicron variant (B. 1.1. 529) has created great global
distress. This variant of concern shows multiple sublineages, importantly B. 1.1. 529.1 (BA …