An SIRS Epidemic Model with Vital Dynamics and a Ratio-Dependent Saturation Incidence Rate
This paper presents an investigation on the dynamics of an epidemic model with vital dynamics and a nonlinear incidence rate of saturated mass action as a function of the ratio of the number of the infectives to that of the susceptibles. The stabilities of the disease-free equilibrium and the endemi...
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| Format: | Article |
| Language: | English |
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Hindawi Limited
2015-01-01
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| Series: | Discrete Dynamics in Nature and Society |
| Online Access: | http://dx.doi.org/10.1155/2015/720682 |