In late November 2021, the World Health Organization declared the SARS-CoV-2 lineage B.
1.1. 529 the fifth variant of concern, Omicron. This variant has acquired over 30 mutations in …

The rapid spread of the highly contagious Omicron variant of SARS-CoV-2 along with its
high number of mutations in the spike gene has raised alarm about the effectiveness of …

The Omicron variant of SARS-CoV-2 is raising concerns because of its increased
transmissibility and potential for reduced susceptibility to antibody neutralization. To assess …

Summary The SARS-CoV-2 Omicron variant (B. 1.1. 529) contains mutations that mediate
escape from antibody responses, although the extent to which these substitutions in spike …

Several COVID-19 vaccines are approved to prevent severe disease outcome after SARS-
CoV-2 infection. Whereas induction and functionality of antiviral antibody response are …

The emergence of novel variants of the severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) has made it more difficult to prevent the virus from spreading despite …

Understanding the impact of prior infection with severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) on the response to vaccination is a priority for responding to …

Recent reports of SARS-CoV-2 Omicron variant sub-lineages, BA. 1, BA. 1.1, and BA. 2,
have reignited concern over potential escape from vaccine-and infection-induced immunity …

Summary Background The SARS-CoV-2 omicron (B. 1.1. 529) variant, which was first
identified in November, 2021, spread rapidly in many countries, with a spike protein highly …

Continuous emergence of SARS-CoV-2 variants of concern (VOCs) is fueling the COVID-19
pandemic. Omicron (B. 1.1. 529) rapidly spread worldwide. The large number of mutations in …