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Updated: Sep 6, 2025

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

Published on: September 8, 2023

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Heterogeneity of the Omicron variant in Senegal

Cyrille Kouligueul Diédhiou1, Abdou Padane1,2, Khadim Gueye1

  • 1Institut de Recherche en Santé, de Surveillance Épidémiologique et de Formations (IRESSEF), Dakar, Sénégal.

New Microbes and New Infections
|June 24, 2022
PubMed

Insights

The Omicron variant rapidly spread in Senegal starting in December 2021. Molecular surveillance revealed significant genetic variation of this SARS-CoV-2 variant within the country.

Area of Science:

  • Virology
  • Epidemiology
  • Public Health

Background:

  • The Omicron variant of SARS-CoV-2 emerged globally, posing a significant public health challenge.
  • Understanding the variant's progression and genetic characteristics in specific regions is crucial for effective response.

Purpose of the Study:

  • To track the emergence and spread of the Omicron variant in Senegal.
  • To investigate the genetic diversity of the Omicron variant circulating within Senegal.

Main Methods:

  • Detection of the first Omicron case in Senegal on December 3, 2021.
  • Ongoing molecular surveillance to monitor variant prevalence.
  • Analysis of genetic variations within detected Omicron samples.

Main Results:

  • The Omicron variant showed continuous progression in Senegal following its initial detection.
  • A notable increase in Omicron variant infections was observed weekly after December 3, 2021.
  • Molecular surveillance identified significant genetic variation within the Omicron variant in Senegal.

Conclusions:

  • The Omicron variant established a significant presence in Senegal shortly after its introduction.
  • Genetic variability of the Omicron variant in Senegal warrants further investigation and monitoring.
  • Public health strategies must adapt to the evolving characteristics of circulating SARS-CoV-2 variants.
Keywords:
COVID-19Omicron variantSARS-CoV-2genomicslineages

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