Minimal zoonotic risk of cryptosporidiosis from pet dogs and cats

Araceli Lucio-Forster, Jeffrey K. Griffiths, Vitaliano A. Cama, Lihua Xiao, Dwight D. Bowman

Research output: Contribution to journalArticlepeer-review

84 Scopus citations


The role of dogs and cats in human cryptosporidiosis has been the focus of much attention. Studies in which genotyping of Cryptospiridium oocysts in feces of dogs and cats have been successful and have demonstrated that most infections in these animals are caused by host-specific C. canis and C. felis, respectively. Most human cases of cryptosporidiosis are associated with C. hominis and C. parvum; C. canis and C. felis are responsible for only a small number of cases. Thus, molecular epidemiologic studies support the contention that the risk of zoonotic transmission of Cryptosporidium spp. from pet cats and dogs is low. Veterinarians can inform their clients of this minimal risk, but nevertheless advise them to minimize contact with pet cat and dog feces.

Original languageEnglish (US)
Pages (from-to)174-179
Number of pages6
JournalTrends in Parasitology
Issue number4
StatePublished - Apr 2010
Externally publishedYes

ASJC Scopus subject areas

  • Infectious Diseases
  • Parasitology


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