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Updated: Sep 28, 2025

Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses
Published on: November 10, 2023
Fractional dynamical probes in COVID-19 model with control interventions: a comparative assessment of eight most
M Pitchaimani1, A Saranya Devi1
1Ramanujan Institute for Advanced Study in Mathematics, University of Madras, Chennai, Tamil Nadu 600005 India.
Abstract:
The ultimate aim of the article is to predict COVID-19 virus inter-cellular behavioral dynamics using an infection model with a quarantine compartment. Internal viral dynamics and stability attributes are thoroughly investigated around stable equilibrium states to probe possible ways in reducing rapid spread by incorporating fractional-order components into epidemic systems. Furthermore, a fractional optimal problem was built and studied with three control measures to restrict the widespread of COVID-19 infections and exhibit perfect protection. It is found that by following of control strategies can eradicate the infectives. Furthermore, the time frame of sixteen months has been divided into four short periods to grasp the pandemic, as the pandemic's parameters change over time. Finally, using real data, we estimated the parameters of the model system and the expression of the basic reproduction number for the most affected countries, China, USA, UK, Italy, France, Germany, Spain, and Iran.
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