Dear Editor, As of December, 2021, more than 272 million people have been infected with
SARS-CoV-2. Multiple types of vaccines have been used to build herd immunity for the …

On December 23, 2021, five groups published their research results of clinical-approved
monoclonal antibodies, convalescent serum, and vaccine serum against B. 1.1. 529 …

The emerging new VOC B. 1.1. 529 (Omicron) variant has raised serious concerns due to
multiple mutations, reported significant immune escape, and unprecedented rapid …

Dear Editor, Since the emergence of severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) in 2019, the virus has continued to evolve resulting in new waves of infection …

Dear Editor, Since the outbreak of Coronavirus Disease 2019 (COVID-19) caused by severe
acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, numerous SARS-CoV-2 …

Dear Editor, SARS-CoV-2 inevitably evolves toward being more robust at multiplying. In the
herd immunity era, mutations allowing SARS-CoV-2 to bypass the immunity acquired from …

Due to numerous mutations in the spike protein, the SARS-CoV-2 variant of concern
Omicron (B. 1.1. 529) raises serious concerns since it may significantly limit the antibody …

Discussion There have been over 8.2 billion doses of SARS-CoV-2 vaccines administrated
in more than 4.3 billion persons around the world [Citation 1]. However, the emerging of the …

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 massive and rapid transmission of SARS-CoV-2 has led to the emergence of several
viral variants of concern (VOCs), with the most recent one, B. 1.1. 529 (Omicron), which …