Persistence of an SEIR Model with Immigration Dependent on the Prevalence of Infection
We incorporate the immigration of susceptible individuals into an SEIR epidemic model, assuming that the immigration rate decreases as the spread of infection increases. For this model, the basic reproduction number, R0, is found, which determines that the disease is either extinct or persistent ult...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Hindawi Limited
2010-01-01
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Series: | Discrete Dynamics in Nature and Society |
Online Access: | http://dx.doi.org/10.1155/2010/727168 |