Table 2. Parameters of the proposed model.

Symbol	Meaning
β ≥ 0	human-to-human transmission rate per unit time (day)
ℓ ≥ 0	relative transmissibility of hospitalized patients
ℓa ≥ 0	relative transmissibility of asymptomatic infected
κ ≥ 0	rate at which an individual leaves the exposed class by becoming infectious (symptomatic or asymptomatic)
ρ ≥ 0	proportion of progression from exposed class E to symptomatic infected class I
γa ≥ 0	rate at which symptomatic individuals are hospitalized
γI ≥ 0	recovery rate without being hospitalized
γr ≥ 0	recovery rate of hospitalized patients
μ ≥ 0	rate of asymptomatic infectious that no longer transmit, becoming either recovered or deceased
δA ≥ 0	proportion of progression from asymptomatic class A to deceased class D
δH ≥ 0	death rate of hospitalized patients
δI ≥ 0	death rate of infected patients