2nd August 2023

A 29-year-old with a background of HIV presents with a 3-day history of watery diarrhoea, crampy abdominal pain, and nausea.

A 29-year-old with a background of HIV presents with a 3-day history of watery diarrhoea, crampy abdominal pain, and nausea. He is febrile on examination. He has no recent travel history of note, and no other close contact has similar symptoms. The stool sample reveals red cysts after being stained with the modified Ziehl-Neelson stain.

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