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. 2021 Jan 7;143:110616. doi: 10.1016/j.chaos.2020.110616

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Fig. 9 — Infection size, measured as the final value of removed agents, $R^{*}$ . The impact of $δ$ in $R^{*}$ is less pronounced than in $I_{\max}$ . For some values of $β_{N},$ the fraction $R^{*}$ presents oscillations.