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Terms & Synonyms

Official WHO Definition

1) An obligate, intracellular, coccidian parasite with a complex life cycle. 2) Genus of parasites of the intestinal tracts of fishes, reptiles, birds, and mammals.

Other Definitions


Interpretations and Explanations

Cryptosporidium is one of the best examples of an “emerging disease”-causing organism. It was discovered to infect humans only in 1976, and waterborne transmission was confirmed for the first time in 1984.


1) WHO (2004), Guidelines for Drinking-water Quality, 3rd ed, vol 1. pages 262-263. 2) WHO, WMO, UNEP (2003), Climate change and human health: risks and responses.

WHO Lexicon page (translations and examples)

See also

External Resources


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