Toxoplasma oocysts as a public health problem

E. Fuller Torrey, Robert H. Yolken

Research output: Contribution to journalReview articlepeer-review

Abstract

Waterborne outbreaks of Toxoplasma gondii have focused attention on the importance of oocysts shed in the feces of infected cats. Cat feces deposited annually into the environment in the United States total approximately 1.2 million metric tons. The annual oocyst burden measured in community surveys is 3 to 434 oocysts per square foot and is greater in areas where cats selectively defecate. Because a single oocyst can possibly cause infection, this oocyst burden represents a major potential public health problem. The proper disposal of cat litter, keeping cats indoors, reducing the feral cat population, and protecting the play areas of children might potentially reduce the oocyst burden.

Original languageEnglish (US)
Pages (from-to)380-384
Number of pages5
JournalTrends in parasitology
Volume29
Issue number8
DOIs
StatePublished - Aug 1 2013

Keywords

  • Oocysts
  • Prevention
  • Toxoplasma gondii
  • Toxoplasmosis

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases

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