Relations between deterministic and stochastic thresholds for disease extinction in continuous- and discrete-time infectious disease models

L. J.S. Allen, P. van den Driessche

Research output: Contribution to journalArticle

43 Scopus citations

Abstract

Thresholds for disease extinction provide essential information for control, eradication or management of diseases. Through relations between branching process theory and the corresponding deterministic model, it is shown that the deterministic and stochastic thresholds are in agreement for discrete-time and continuous-time infectious disease models with multiple infectious groups. Branching process theory can be applied in conjunction with the deterministic model to give additional information about disease extinction. These relations are illustrated, analytically and numerically, in two settings, a general stage-structured model and a vector-host model applied to West Nile virus in mosquitoes and birds.

Original languageEnglish
Pages (from-to)99-108
Number of pages10
JournalMathematical Biosciences
Volume243
Issue number1
DOIs
StatePublished - May 2013

Keywords

  • Branching process
  • Difference equation
  • Differential equation
  • Infectious diseases
  • Markov chain

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