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Theory and Modern Applications

Table 1 Description of variables in model (2.4)–(2.5)

From: Mathematical evaluation of the role of cross immunity and nonlinear incidence rate on the transmission dynamics of two dengue serotypes

Variables

Description

\(S_{{H}}\)

Susceptible human to both serotypes

\(E_{{Hi}}\)

Exposed human with serotype-i in primary infection

\(I_{{Hi}}\)

Infected human with serotype-i in primary infection

\(R_{{Hi}}\)

Recovered human from serotype-i and susceptible human to serotype-j

\(E_{{Hij}}\)

Exposed human with serotype-j in secondary infection

\(I_{{Hij}}\)

Infected human with serotype-j in secondary infection

\(R_{{H22}}\)

Recovered human from both serotypes

\(S_{{V}}\)

Susceptible mosquito to both serotypes

\(E_{{Vi}}\)

Exposed mosquito with serotype-i

\(I_{{Vi}}\)

Infected mosquito with serotype-i