Table 1. Parameters used for the SEIR model for spread of COVID-19 in Lusaka province.

PARAMETER	DEFINITION	VALUE	UNITS	COMMENT	REFERENCE
N	Total population	3,300,000	people	Lusaka	[27]
R0	Basic reproduction number	-	Secondary infections/ infectious period (days)	Data fitted	[1, 5, 12, 30, 32–42]
β	The average rate of effective contacts per unit time between susceptible people and infectious people	γR0	Effective contacts per day	Data fitted	-
k	The average rate to infectiousness	1/4.8	1/incubation period (days)	Average estimate	[1, 5, 12, 30, 36–39, 43–50]
γ	Recovery rate	1/7.5	1/infectious period (days)	Average estimate	[1, 5, 6, 9, 12, 30, 36–38, 40, 43, 45, 47, 51–54]
ε	Fraction symptomatic infectious people	30% - 50%	-	proportion	[6, 7, 9, 12]
π	Quarantine rate for symptomatic	1/2.5	1/diagnosis delay (days).	Assumed	[44]
θ	Community blanket testing rate	150/100000–10733/100000	daily tests per 100000 population	Daily random mass testing	-
α	Apparent death rate (CFR)	0.0206186	Deaths/confirmed cases	Data fitted	-