Skip to main content
. 2020 Dec 30;20:103715. doi: 10.1016/j.rinp.2020.103715

Table 1.

Variables and parameters of the SEQIMRP.

Compart-mental functions Descriptions Units Initial values(population = in millions & time = days) Source
Nt Total population Population / day 113 Estimated
St Susceptible Population / day 111 Estimated
Et Exposed Population / day 0 Estimated
Qt Quarantined Population / day 0 Estimated
It Infected Population / day 2 Estimated
Mt Infected isolated Population / day 0 Estimated
Rt Recovered Population / day 0 Estimated
Pt Protected Population / day 0 Estimated
α Order of fractional derivative Dimensionless 0<α1 Fitted



Parameters Descriptions Units Value Source
ξ R is taking part in social distancing Individuals/(individuals × day) 14.771 Fitted
β Contact rate of susceptible with infected Individuals/(individuals × day) 14.781 Fitted
γ Rate of exposed individuals quarantined Individuals/(individuals × day) 1.887 × 10-7 Fitted
η Rate of treated infected and quarantined Individuals/(area × day) 0.13266 Fitted
σ Rate of susceptible exposed to quarantine Individuals/(individuals × day) 0.0714 Fitted
rS Intrinsic Growth rate of susceptible individuals Individuals/(individuals × day) 30 Fitted
kS Carrying capacity of susceptible individuals Individuals/(individuals × day) 100,000 Fitted
σ Rate of susceptible exposed to infection Individuals/(individuals × day) 0.1259 Fitted
ρ Death due to COVID'19 disease Individuals/(individuals × day) 1.782 × 10-5 [35]
ψQ Recovery rate of the quarantine individuals Individuals/(individuals × day) 0.11624 Fitted
ψM Recovery rate of the isolated infected individuals Individuals/(individuals × day) 0.33029 Fitted
dS Susceptible death rate Individuals/(individuals × day) 0.15 Fitted
dE Exposed death rate Individuals/(individuals × day) 0.84 Fitted
dQ Quarantined death rate Individuals/(individuals × day) 0.84 Fitted
dI Infected death rate Individuals/(individuals × day) 0.9 Fitted
dR Recovered death rate Individuals/(individuals × day) 0.11 Fitted
dP Precautionary death rate Individuals/(individuals × day) 0.84 Fitted
mm Rate of individuals using medical mask Individuals/(individuals × day) 0–1 Fitted
sd Rate of individuals taking part in social distancing Individuals/(individuals × day) 0–1 Fitted
ch Rate of individuals frequently cleaning hand Individuals/(individuals × day) 0–1 Fitted
sc Rate of individuals who follow step of supportive care during treatment. Individuals/(individuals × day) 0–1 Fitted