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What is cryptosporidium?

Page last updated 28 February 2019

Cryptosporidium is a protozoan parasite – a single-celled organism that causes gastroenteritis (or gastro). The parasite lives in the bowel of humans, pets, wild and farm animals and the infection causes diarrhoea, stomach cramps, fever and vomiting – which can last for several weeks.

Sources & Citations

  1. Victoria State Government. Better Health Channel. Gastroenteritis - cryptosporidiosis. Available at: (accessed 25 October 2018).

SPANZ.SAPAS.18.10.0375 - Date of preparation October 2018