A review of the biology and epidemiology of cryptosporidiosis in humans and animals

Norma E. Ramirez, Lucy A. Ward, Srinand Sreevatsan

Research output: Contribution to journalShort surveypeer-review

126 Scopus citations


The epidemiology of cryptosporidiosis, an infection caused by several genotypically and phenotypically diverse Cryptosporidium species, has been dynamically changing over the past decade from that of a rare, largely asymptomatic infection to an acute enteric disease of animals and humans. In this review, the current understanding of factors (biology and epidemiology) contributing to the emergence of cryptosporidiosis in animals, including parasite biology, genetic diversity, environmental spread, livestock production trends, presence of the parasite in livestock and companion animals, and potential risk of transmission from animals to humans is highlighted. Potential control measures and the role of veterinary and medical professionals in the prevention of cryptosporidiosis are also discussed.

Original languageEnglish (US)
Pages (from-to)773-785
Number of pages13
JournalMicrobes and Infection
Issue number8
StatePublished - Jul 2004

Bibliographical note

Copyright 2018 Elsevier B.V., All rights reserved.


  • Companion animals
  • Cryptosporidium spp.
  • Livestock
  • Prevention

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