Microbiology HIV patient is admitted with malabsorption, fever, chronic diarrhoea and acid fast positive organism. What is the likely causative agent? A Giardia B Microsporidia C Isospora D E. histolytica 💡 Explanation HIV patient is admitted with malabsorption, fever, chronic diarrhoea and acid fast positive organism. What is the likely causative agent? ✓ Correct Answer: C. Isospora