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Stochastic Epidemics in Growing Populations
Stockholm University, Faculty of Science, Department of Mathematics.
Stockholm University, Faculty of Science, Department of Mathematics.
2014 (English)In: Bulletin of Mathematical Biology, ISSN 0092-8240, E-ISSN 1522-9602, Vol. 76, no 5, 985-996 p.Article in journal (Refereed) Published
Abstract [en]

Consider a uniformly mixing population which grows as a super-critical linear birth and death process. At some time an infectious disease (of SIR or SEIR type) is introduced by one individual being infected from outside. It is shown that three different scenarios may occur: (i) an epidemic never takes off, (ii) an epidemic gets going and grows but at a slower rate than the community thus still being negligible in terms of population fractions, or (iii) an epidemic takes off and grows quicker than the community eventually leading to an endemic equilibrium. Depending on the parameter values, either scenario (i) is the only possibility, both scenarios (i) and (ii) are possible, or scenarios (i) and (iii) are possible.

Place, publisher, year, edition, pages
2014. Vol. 76, no 5, 985-996 p.
Keyword [en]
S(E)IR epidemic, Dynamic population
National Category
URN: urn:nbn:se:su:diva-104397DOI: 10.1007/s11538-014-9942-xISI: 000335738500001OAI: diva2:724417


Available from: 2014-06-12 Created: 2014-06-10 Last updated: 2014-06-12Bibliographically approved

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Britton, TomTrapman, Pieter
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