Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4499393 | Journal of Theoretical Biology | 2006 | 12 Pages |
Abstract
An SIQS model is proposed to study the effect of transport-related infection and entry screening. If the basic reproduction number is below unity, the disease free equilibrium is locally asymptotically stable. There exists an endemic equilibrium which is locally asymptotically stable if the reproduction number is larger than unity. It is shown that the disease is endemic in the sense of permanence if and only if the endemic equilibrium exists. Entry screening is shown to be helpful for disease eradication since it can always have the possibility to eradicate the disease led by transport-related infection and furthermore have the possibility to eradicate disease even when the disease is endemic in both isolated cities.
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Authors
Xianning Liu, Yasuhiro Takeuchi,