A Mathematical Model to Investigate the Transmission of COVID-19 in the Kingdom of Saudi Arabia

Table 1

Parameters used in the simulations.

Parameter	Description	Dimension	Value	A 95% confidence interval	Source
	Population of Saudi Arabia in 2019.	Individual	34218169	—	[11]
	Birth rate in Saudi Arabia in 2019.	Individual/day	1252	—	[11]
	Death rate in Saudi Arabia in 2019.	Day	3.6593x	—	[11]
	Effective contact rate from symptomatic to susceptible.	Day	0.35	[0.267, 0.5]	Fitted
	Effective contact rate from asymptomatic to susceptible.	Day	0.7	[0.53, 1]	Fitted
	Effective contact rate from hospitalized to susceptible.	Day	0.18	[0.13, 0.26]	Fitted
	Mean latent period.	Days	5.1	—	[23]
	Probability of becoming asymptomatic upon infection.	n/a	0.86	—	[24]
	Mean symptomatic infectious period.	Days	8	—	[25]
	Rate of symptomatic becomes hospitalized.	Day	0.125	—	[1]
	Death rate of symptomatic patients.	Day	0.392	—	[26]
	Rate of asymptomatic becomes symptomatic.	Day	0.12	[0.1, 0.125]	Fitted
	Mean asymptomatic infectious period.	Days	8	—	Assumed
	Rate of recovered hospitalized patients.	Day	0.1	—	[6]
	Death rate of hospitalized patients.	Day	0.392	—	[1]