Related Experiment Video
Updated: Oct 1, 2025

09:26
Quantification and Whole Genome Characterization of SARS-CoV-2 RNA in Wastewater and Air Samples
Published on: June 30, 2023
1.3K
Spatial diffusion of COVID-19 in Algeria during the third wave
Carlos M Leveau1,2, Hani Amir Aouissi3, Feriel Kheira Kebaili4
1Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
Summary
This study mapped COVID-19 (coronavirus disease 2019) cases and deaths in Algeria. Findings reveal distinct geographic patterns, highlighting northern and coastal regions for targeted public health interventions.
Area of Science:
- Epidemiology
- Public Health
- Spatial Analysis
Background:
- The geographic impact of the third wave of COVID-19 (coronavirus disease 2019) in Algeria remains unclear.
- Understanding spatial-temporal variations is crucial for effective public health strategies.
Purpose of the Study:
- To analyze the spatiotemporal variations of COVID-19 (coronavirus disease 2019) cases and deaths in Algeria from January to mid-August 2021.
- To identify high-risk and low-risk geographic clusters of the disease.
Main Methods:
- Data on COVID-19 (coronavirus disease 2019) cases and deaths were aggregated at the wilaya (province) level.
- Retrospective space-time permutation scan statistic was employed to detect spatial-temporal clusters.
Main Results:
- Fourteen spatio-temporal clusters of COVID-19 (coronavirus disease 2019) cases were identified, with one high-risk cluster.
- Seven low-risk case clusters predated the third wave and were in less populated areas.
- The largest low-risk death cluster was in southern Algeria (April-July 2021).
Conclusions:
- Northern and coastal wilayas (provinces) require prioritized resource allocation for interventions.
- Targeted quarantine and isolation measures are recommended in these areas to curb viral transmission.
- Spatial analysis provides critical insights for managing infectious disease outbreaks.
Related Concept Videos
Pareto Chart
7.2K
A Pareto chart is a bar graph or a combination of both line and bar graphs. The bar lengths represent the individual values or the frequency, while the lines represent the cumulative total values. In this chart, the longest bars are arranged on the left and the shortest bars on the right, which makes it easier to read and interpret the data. It can also be called a Pareto diagram or Pareto analysis.
The Pareto chart is named after the Italian economist Vilfredo Pareto, who described the Pareto...
The Pareto chart is named after the Italian economist Vilfredo Pareto, who described the Pareto...
7.2K
Steps in Outbreak Investigation
241
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:
241
Principles of Disease Surveillance
203
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...
203
Protein Diffusion in the Membrane
4.7K
Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
4.7K
Pie Chart
14.9K
A pie chart (or a pie graph) is a circular graphical chart or a pictorial representation of categorical data. It is divided into slices of pie each indicating numerical proportions. It is also used to show the relative sizes of data in a single chart.
In a pie chart, the central angle, the arc length of each slice, and the area are directly proportional to the quantity or percentage it represents. Some real-world examples that can be depicted using pie charts include marks obtained by students...
In a pie chart, the central angle, the arc length of each slice, and the area are directly proportional to the quantity or percentage it represents. Some real-world examples that can be depicted using pie charts include marks obtained by students...
14.9K

