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Theory and Modern Applications

Table 1 The variables of system (2) [4]

From: On the optimal control of coronavirus (2019-nCov) mathematical model; a numerical approach

Variable

Description

\(S_{p}\)

Susceptible humans

\(E_{p}\)

Exposed humans

\(I_{p}\)

Infectious humans

\(A_{p}\)

Asymptotically infected

\(R_{p}\)

Recovered humans

M

The reservoir or the seafood place or market

\(N_{p}\)

The total population

\(N_{p} = S_{p} + E_{p} + I_{p} + R_{p}\)