A Mathematical Model of COVID-19 with Vaccination and Treatment

Table 1

Model parameter values and source.

Parameter	Description	Value	Reference
	Recruitment rate of individuals into the population		[26, 38]
	Proportion of recruited individuals who are vaccinated	0.0001	Assumed
	Vaccination rate	0.4	Assumed
	Reduction in the transmission from asymptomatic	0.3	[39]
	Increase in the transmission from symptomatic	1.8	Assumed
	Reduction in the transmission from hospitalized	0.3	Assumed
	Natural death rate		[26, 38]
	Disease-induced death rate	0.018	[40, 41]
	Infection reduction of vaccinated individuals	0.8	Assumed
	Exit rate from the exposed class	0.13	[9]
	Exit rate from the infectious class	0.0833	[41]
	Proportion of infectious who recover naturally	0.05	[42]
	Fraction of exposed who become infected	0.7	[39]
	Effective contact rate	1.12	[41]
	Recovery rate of hospitalized individuals	0.0701	[40]
	Proportion of asymptomatic who recover naturally	0.14	[9]
	Exit rate from the asymptomatic class	0.13978	[39, 41]
	Rate at which individuals lose immunity	0.011	[19]