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Related Experiment Video

Updated: Sep 28, 2025

Author Spotlight: A Pseudotype Virus System for Assessing Omicron Subvariants and Neutralizing Antibodies in SARS-CoV-2 Research

Author Spotlight: A Pseudotype Virus System for Assessing Omicron Subvariants and Neutralizing Antibodies in SARS-CoV-2 Research

Published on: September 8, 2023

Update on omicron variant: What we know so far.

Gajendra Choudhary¹, Manisha Prajapat¹, J Kumaravel¹

¹Department of Pharmacology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Indian Journal of Pharmacology

|March 28, 2022

Summary

This summary is machine-generated.

The Omicron variant of SARS-CoV-2 has numerous mutations, particularly in its spike protein, potentially reducing vaccine and antibody effectiveness. This highlights the need for booster doses and further research into its impact.

Keywords:

COVID-19 HIV mutations omicron severe acute respiratory syndrome coronavirus 2 variant

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Published on: November 5, 2021

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Last Updated: Sep 28, 2025

Author Spotlight: A Pseudotype Virus System for Assessing Omicron Subvariants and Neutralizing Antibodies in SARS-CoV-2 Research

Author Spotlight: A Pseudotype Virus System for Assessing Omicron Subvariants and Neutralizing Antibodies in SARS-CoV-2 Research

Published on: September 8, 2023

Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses

Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses

Published on: November 10, 2023

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2

Published on: November 5, 2021

Area of Science:

Virology
Immunology
Public Health

Background:

The emergence of the Omicron variant (B.1.1.529) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in November 2021.
Designation as a Variant of Concern by the World Health Organization due to significant mutations.

Purpose of the Study:

To analyze the mutations present in the Omicron variant.
To assess the impact of these mutations on existing SARS-CoV-2 interventions, including vaccines and neutralizing antibodies.
To discuss the implications for booster doses, infection severity, and potential links to immune-compromised individuals and HIV prevalence.

Main Methods:

Bioinformatic analysis of Omicron variant mutations.
Review of current scientific literature on SARS-CoV-2 variants and immune responses.
Comparative analysis of Omicron's mutation profile against previous variants.

Main Results:

The Omicron variant possesses a high number of mutations, many concentrated in the spike protein.
These mutations may confer increased immune escape from antibodies and vaccines.
Potential for increased reinfection rates and implications for therapeutic efficacy.

Conclusions:

The unique mutation profile of the Omicron variant necessitates a re-evaluation of current SARS-CoV-2 control strategies.
Booster doses are likely crucial to enhance protection against Omicron.
Further investigation is required to understand Omicron's transmissibility, severity, and the hypothesized link with immune-compromised populations and HIV prevalence.