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. 2020 Nov 5;564:125520. doi: 10.1016/j.physa.2020.125520

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$β$	$R_{0}$	$S^{*}$	$I^{*}$
2.5	4	0.25	0.403
1.5	2.4	0.417	0.218
1.1	1.76	0.568	0.111