Table 1. Parameter definition and estimates.

Parameter	Description
β	Transmission rate	Estimated
ω	The effective population proportion	Estimated
λv1	Vaccination rate, first dose	Estimated
λv2	Vaccination rate, second dose	Estimated
g	Mortality rate	Estimated
Parameter	Description	Value	Ref.
κ	Proportion of observed people that contribute to new infections	0.2
f	Proportion of observed individuals	0.6
N	California population size	39512223	[15]
1/γo	Average time to recovery, diagnosed	1/14	[16, 17]
1/γu	Average time to recovery, undiagnosed	1/7	[18]
ϵ 1	(1 − ϵ1) Vaccine efficacy after first dose	0.40	[19]
ϵ 2	(1 − ϵ2) Vaccine efficacy after second dose	0.05	[19]
σ	Median number of days from symptom onset	1/5	[20]