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A non-autonomous epidemic model with time delay and vaccination

✍ Scribed by Tailei Zhang; Junli Liu; Zhidong Teng

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
176 KB
Volume
33
Category
Article
ISSN
0170-4214

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✦ Synopsis

In this paper, a non-autonomous SIRVS epidemic model with time delay and vaccination is investigated. We assume that the vaccinated have a constant immunity period. Some new threshold conditions are obtained. These threshold conditions govern the extinction and permanence of the disease. When the model degenerates into the periodic or autonomous case, the corresponding basic reproduction number can be derived from these threshold conditions.

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