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Predictive tresholds for plague in Karakhstan

Research output: Contribution to journalA1: Web of Science-articleResearchpeer-review

Authors

  • S Davis
  • L Begon
  • V. S Ageyev
  • N Klassovskiy
  • S. B Pole
  • H Viljugrein
  • N. C Stenseth
  • H Leirs

Details

Original languageEnglish
JournalScience (Washington)
Volume304
Issue number5671
Pages (from-to)736-738
Number of pages5
Publication statusPublished - 2004

Abstract

In Kazakhstan and elsewhere in central Asia, the bacterium Yersinia pestis circulates in natural populations of gerbils, which are the source of human cases of bubonic plague. Our analysis of field data collected between 1955 and 1996 shows that plague invades, fades out, and reinvades in response to fluctuations in the abundance of its main reservoir host, the great gerbil (Rhombomys opimus). This is a rare empirical example of the two types of abundance thresholds for infectious disease—invasion and persistence— operating in a single wildlife population. We parameterized predictive models that should reduce the costs of plague surveillance in central Asia and thereby encourage its continuance.
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