<prompt> An AIDs patient is presenting with watery diarrhea. What could by the causative organism.CadidaVibrio choleraeETECCryptosporidia  <response>: Ans. is d i.e., Cryptosporidia Cryposporidium and Isopora are the common causes of prolonged watery diarrhea in AlDs patients. -- Clinical microbiologyImportant causes of diarrhea in AIDS patientsi Bacteria : Salmonella, Shigella, Campylobacter, and mycobacteria avium intracellulare.ii Fungal: Histoplasma, Coccidioides, penicillium.iii Other: CMV, microsporidia, isospora belli, and Cryptosporidia. 