Control strategies in multigroup models: the case of the star network topology. (English) Zbl 1401.92202
Summary: In this paper, we propose control strategies for multigroup epidemic models. We use compartmental SIRS models to study the dynamics of \(n\) host groups sharing the same source of infection in addition to the transmission among members of the same group. In particular, we consider a model for infectious diseases with free-living pathogens in the environment and a metapopulation model with a central patch. We give the detailed derivation of the target reproduction number under three public health interventions and provide the corresponding biological insights. Moreover, using the next-generation approach, we calculate the basic reproduction numbers associated with subsystems of our models and determine algebraic connections to the target reproduction number of the complete model. The analysis presented here illustrates that understanding the topological structure of the infection process and partitioning it into simple cycles is useful to design and evaluate the control strategies.
Keywords:
control strategies; target reproduction number; multigroup model; star network; basic reproduction numberReferences:
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