Optimal containment control strategy of the second phase of the covid-19 lockdown in morocco

Mustapha Lhous, Omar Zakary, Mostafa Rachik, El Mostafa Magri, Abdessamad Tridane

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


This work investigates the optimal control of the second phase of the COVID-19 lockdown in Morocco. The model consists of susceptible, exposed, infected, recovered, and quarantine compartments (SEIRQD model), where we take into account contact tracing, social distancing, quarantine, and treatment measures during the nationwide lockdown in Morocco. First, we present different components of the model and their interactions. Second, to validate our model, the nonlinear least-squares method is used to estimate the model’s parameters by fitting the model outcomes to real data of the COVID-19 in Morocco. Next, to investigate the impact of optimal control strategies on this pandemic in the country. We also give numerical simulations to illustrate and compare the obtained results with the actual situation in Morocco.

Original languageEnglish
Article number7559
Pages (from-to)1-16
Number of pages16
JournalApplied Sciences (Switzerland)
Issue number21
Publication statusPublished - Nov 1 2020


  • COVID-19
  • Contact tracing
  • Optimal control
  • Treatment, lockdown

ASJC Scopus subject areas

  • General Materials Science
  • Instrumentation
  • General Engineering
  • Process Chemistry and Technology
  • Computer Science Applications
  • Fluid Flow and Transfer Processes


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