A SIR-Poisson Model for COVID-19: Evolution and Transmission Inference in the Maghreb Central Regions

2019-nCoV is a virulent virus belonging to the coronavirus family that caused the new pneumonia (COVID-19) which has spread internationally very rapidly and has become pandemic. In this research paper, we set forward a statistical model called SIR-Poisson that predicts the evolution and the global s...

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Bibliographic Details
Published in:Arabian journal for science and engineering (2011) 2021-01, Vol.46 (1), p.93-102
Main Authors: Ben Hassen, Hanen, Elaoud, Anis, Ben Salah, Nahla, Masmoudi, Afif
Format: Article
Language:English
Subjects:
Biological Sciences
Containment
Coronaviruses
COVID-19
Disease transmission
Engineering
Evolution
Humanities and Social Sciences
Infectious diseases
multidisciplinary
Pandemics
Research Article-Biological Sciences
Science
Scientific papers
Statistical models
Viral diseases
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Summary:2019-nCoV is a virulent virus belonging to the coronavirus family that caused the new pneumonia (COVID-19) which has spread internationally very rapidly and has become pandemic. In this research paper, we set forward a statistical model called SIR-Poisson that predicts the evolution and the global spread of infectious diseases. The proposed SIR-Poisson model is able to predict the range of the infected cases in a future period. More precisely, it is used to infer the transmission of the COVID-19 in the three Maghreb Central countries (Tunisia, Algeria, and Morocco). Using the SIR-Poisson model and based on daily reported disease data, since its emergence until end April 2020, we attempted to predict the future disease period over 60 days. The estimated average number of contacts by an infected individual with others was around 2 for Tunisia and 3 for Algeria and Morocco. Relying on inferred scenarios, although the pandemic situation would tend to decline, it has not ended. From this perspective, the risk of COVID-19 spreading still exists after the deconfinement act. It is necessary, therefore, to carry on the containment until the estimated infected number achieves 0.
ISSN:2193-567X
1319-8025
2191-4281
DOI:10.1007/s13369-020-04792-0