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On the Existence of Equilibrium Points, Boundedness, Oscillating Behavior and Positivity of a SVEIRS Epidemic Model under Constant and Impulsive Vaccination

De la Sen Parte, Manuel; Ravi, P.; Agarwal, A.; Ibeas Hernández, Asier; Alonso Quesada, Santiago (Hindawi Publishing Corporation, 2011)

This paper discusses the disease-free and endemic equilibrium points of a SVEIRS propagation disease model which potentially involves a regular constant vaccination. The positivity of such a model is also discussed as well ...

Observer-Based Vaccination Strategy for a True Mass Action SEIR Epidemic Model with Potential Estimation of All the Populations

De la Sen Parte, Manuel; Ibeas Hernández, Asier; Alonso Quesada, Santiago (Hindawi Publishing Corporation, 2011)

This paper presents a simple continuous-time linear vaccination-based control strategy for a SEIR (susceptible plus infected plus infectious plus removed populations) propagation disease model. The model takes into account ...