Table 3.

Parameter values with a citation or estimated value from data. Note that T₁ is for the first time period, T₂ is the second time period, and so on, which correspond to Fig. 1.

Parameters from Literature
Symbol	Value	Symbol	Value	Symbol	Value
α	0.25 (Johansson et al., 2021; Sanche et al., 2020)	ε	0.3 (Centers for Disease Control and Prevention, 2021)	c	1.25 (Centers for Disease Control and Prevention, 2021)
γ1	0.14 (Cheng et al., 2020; Johansson et al., 2021)	γ2	0.14 (Cheng et al., 2020; Johansson et al., 2021)	γ3	0.1 (Johansson et al., 2021; Renardy et al., 2020)
π1 Pfizer)	0.95 (Katella, 2021)			ε1 (Pfizer)	0.95 (Katella, 2021)
π1 (J & J)	0.64 (Katella, 2021)			ε1 (J & J)	0.81 (Katella, 2021)
			Constant Estimated Parameters
ρ	0.142	μ	0.014	μH	0.094
θ	0.003	γ4	0.067
			Estimated Parameters that Change Over Time
Symbol	T1	T2	T3	T4	T5
β	0.539	0.169	0.277	0.199	0.419
κ	0.739	0.339	0.098	0.506	0.499