Table 2:

Parameters for natural immunity.

Parameter	Range	Description
Start $\left(I_{\text{start}}\right)$	$2017\to 2027$	Date when Immunity begins
Growth Rate $\left(I_{\text{growth}\hspace{0.17em}\text{rate}}\right)$	$0.005\to 0.01$	Exponential growth rate of immunity
Max Level $\left(I_{\text{max}}\right)$	$0\text{\%}\to 100\text{\%}$	Maximum level of immunity