Related Experiment Video
Updated: Oct 1, 2025

03:53
Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses
Published on: November 10, 2023
1.4K
Rapidly rising cases with Omicron in Senegal
A Padane1,2, M Mbow1,3, A Mboup1
1Institut de Recherche en Santé, de Surveillance Épidémiologique et de Formation (IRESSEF), Dakar, Senegal.
New Microbes and New Infections
|March 4, 2022
Summary
The Omicron variant is spreading in Senegal, with the first case detected in December 2021. Ongoing molecular surveillance tracks its real-time progression to aid health authorities.
Area of Science:
- Virology
- Epidemiology
- Public Health
Background:
- The Omicron variant emerged globally, posing a significant public health concern.
- Senegal, like other nations, faced the challenge of monitoring the variant's introduction and spread.
Purpose of the Study:
- To report the initial detection and subsequent progression of the Omicron variant in Senegal.
- To highlight the importance of real-time molecular surveillance for informing public health responses.
Main Methods:
- Detection of the first Omicron variant case by IRESSEF on December 3, 2021.
- Continuous monitoring of Omicron variant infections over subsequent weeks.
- Real-time molecular surveillance of the Omicron variant.
Main Results:
- The first confirmed case of the Omicron variant in Senegal was identified on December 3, 2021.
- A notable increase in Omicron variant infections was observed in the weeks following the initial detection.
- Molecular surveillance data provided timely information on the variant's spread.
Conclusions:
- The Omicron variant has established a presence and is progressing within Senegal.
- Real-time molecular surveillance is crucial for effective management and response to emerging viral variants.
- Continued monitoring is essential to inform public health strategies against the Omicron variant in Senegal.
More Related Videos
Related Concept Videos
Principles of Disease Surveillance
205
Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
205
Prevalence and Incidence
893
In statistical epidemiology and health sciences, two essential metrics—prevalence and incidence—are fundamental for understanding disease dynamics within a population. These measures enable public health officials, epidemiologists, and researchers to assess the burden of diseases, allocate resources effectively, and design impactful public health policies and interventions.
Prevalence indicates the proportion of individuals in a population who have a specific disease or health...
Prevalence indicates the proportion of individuals in a population who have a specific disease or health...
893
Viral Mutations
34.2K
A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
34.2K
Single Nucleotide Polymorphisms-SNPs
16.4K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
16.4K
Steps in Outbreak Investigation
243
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
243
Infection
8.9K
When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
8.9K

