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In this paper, we formulate a dengue model to explore the complex dynamics induced by antibody-dependent enhancement (ADE). The basic reproduction number Ro is calculated. We analyze the regions of existence and stability for the steady state solutions. Numerical simulation manifests that backward bifurcation may occur and there may be a stable endemic equilibrium even if the basic reproduction number...
The number of patients need to be treated may exceed the carry capacity of local hospitals during the spreading of a severe infectious disease. We propose an epidemic model with saturation recovery from infective individuals to understand the effect of limited resources for treatment of infectives on the emergency disease control. It is shown that saturation recovery from infective individuals leads...
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