Multiple choice Which of the following is the causative agent for acute diarrhoea? Cystoisospora belli Isospora belli Isospora hammondi Isospora Cyclospora cayetanensis Reveal answer Fill a bubble to check yourself E Correct answer Explanation Cyclospora cayetanensis is an apicomplexan, cyst-forming coccidian protozoa that causes acute self-limiting diarrhoea.