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What is cryptosporidium?

Page last updated 03 July 2020

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

Sources & Citations

2. Better Health Channel. Gastroenteritis – cryptosporidiosis. Available at: (accessed 11 June 2020).

3. Victoria State Government health.vic. Cryptosporisiosis. Available at: (accessed 11 June 2020).

MAT-AU-2000155 - Date of preparation June 2020