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Theory and Modern Applications

Table 1 Definition of the parameters in the COVID-19 model

From: A numerical solution by alternative Legendre polynomials on a model for novel coronavirus (COVID-19)

Variables and parameters

Descriptions

\(n_{p}\)

The birth rate of people

\(m_{p}\)

The death rate of people

\(\frac{1}{\omega _{p}}\)

The incubation period of people

\(\frac{1}{\omega '_{p}}\)

The latent period of people

\(\frac{1}{\gamma _{p}}\)

The infectious period of symptomatic infection in people

\(\frac{1}{\gamma '_{p}}\)

The infectious period of asymptomatic infection in people

\(\mu _{p}\)

The shedding coefficients from \(I_{P}\) to W

\(\mu '_{p}\)

The shedding coefficients from \(A_{p}\) to W

\(\delta _{p}\)

The proportion of asymptomatic infection rate of people

\(\beta _{p}\)

The transmission rate from \(I_{p}\) to \(S_{p}\)

\(\beta _{W}\)

The transmission rate from W to \(S_{p}\)

k

The multiple of the transmissibility of \(A_{p}\) to that of \(I_{p}\)

\(\frac{1}{\varepsilon } \)

The lifetime of the virus in W

c

The relative shedding rate of \(A_{p}\) compared to \(I_{p}\)