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  4. Optimal control strategy for the administration of the third vaccine dose in the treatment of pandemic COVID-19

Optimal control strategy for the administration of the third vaccine dose in the treatment of pandemic COVID-19

MMC.
2023;
Volume 10, Number 3
: pp. 841–853
https://doi.org/10.23939/mmc2023.03.841
Received: September 11, 2022
Revised: January 09, 2023
Accepted: January 10, 2023

Mathematical Modeling and Computing, Vol. 10, No. 3, pp. 841–853 (2023)

Authors:
  1. I. Khaloufi
  2. Y. Benfatah
  3. M. Lafif
  4. A. Ghazaoui
  5. M. Rachik
1
Laboratory of Analysis, Modeling and Simulation, Casablanca, Morocco
2
Laboratory of Analysis, Modeling and Simulation, Casablanca, Morocco
3
Laboratory of Analysis, Modeling and Simulation, Casablanca, Morocco
4
Laboratory of Analysis, Modeling and Simulation, Casablanca, Morocco
5
Laboratory of Analysis, Modeling and Simulation, Casablanca, Morocco

In this paper, we propose a mathematical model of COVID-19 infection, taking into account the division of the population according to vaccination criteria.  Our goal is to demonstrate the positive effect of receiving the third dose of the Corona vaccine.  We proposed two strategies to limit the spread of the COVID-19 pandemic respectively awareness programs on the importance of the third dose of the vaccine and the delivery of treatment to infected individuals who have health problems.  Pontryagin's maximum principle is applied in order to characterize the optimal controls, and the optimality system is resolved using an iterative approach.  At last, numerical simulations are executed to verify the theoretical analysis using MATLAB.

optimal control
mathematical model
COVID-19
the third dose-Corona vaccine
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