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. 2022 Jul 23;203:741–766. doi: 10.1016/j.matcom.2022.07.012

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© 2022 International Association for Mathematics and Computers in Simulation (IMACS). Published by Elsevier B.V. All rights reserved.

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Fig. 7 — A plot of the infected populations $I_{A}$ and $I_{S}$ over time for $β_{3} = 0.3, 0.5, 0.7$ .