giardia, which is a microscopic parasite that causes diarrhoea if you swallow it.The parasite can be found on surfaces as well as in food, soil or water that has been contaminated with faeces from infected people or animals.During the toilet-related disaster, up to 40 crew members fell victim to the "awful explosive diarrhoea" which left people "collapsing" on set and "being forced to run into port-o-potties", reports The Wrap.The hellish outbreak, which began on June 2, led to a series of on-set tests, which prompted samples of water from a pond, well, slide pool, water truck and bathroom sinks being tested for giardia - luckily all came back negative.However, the giardia parasite was found on the set after additional testing which came.
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