Sarcocystis of humans

  • Ronald Fayer
Part of the World Class Parasites book series (WCPA, volume 9)

Abstract

Within the phylum Apicomplexa, protozoan parasites of the genus Sarcocystis require two hosts in a prey-predator relationship to complete their life cycle. Asexual stages develop only in intermediate hosts when, after ingesting sporocysts in food or water contaminated with animal feces, they become infected with stages that develop in blood vessels and muscles. Sexual stages develop only in definitive hosts when, after eating sarcocysts in animal muscles (meat), they become infected with stages that develop in the gastrointestinal tract. Humans can serve as both intermediate and definitive hosts for different species of Sarcocystis. Detection methods, means of identification, prevalence of infection, transmission routes, clinical signs, diagnostics, and methods of treatment and prevention are described in this chapter.

Key words

Sarcocystis sarcocystosis sarcosporidiosis human food animals meat life cycle epidemiology detection treatment control 

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Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • Ronald Fayer
    • 1
  1. 1.United States Department of AgricultureAgricultural Research ServiceBeltsvilleUSA

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