Mathematical Modeling and Numerical Simulation for the Outbreak of COVID-19 Involving Loss of Immunity and Quarantined Class

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/cmmm/volume-2022/3816492/figures/3816492.fig.0015a.svgz" name="3816492.fig.0015a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Transition behavior of individuals over 365 days with weak immunity</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/cmmm/volume-2022/3816492/figures/3816492.fig.0015b.svgz" name="3816492.fig.0015b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Transition behavior of individuals over 365 days with strong immunity</td></tr></table>

<div>Dynamical behavior of population in the recovered compartment.</div>

Computational and Mathematical Methods in Medicine

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Figure 15

Figure 15: Mathematical Modeling and Numerical Simulation for the Outbreak of COVID-19 Involving Loss of Immunity and Quarantined Class 