Microbiology HTV pt with malabsotion, fever, chronic diarrhoea, with acid fast positive organism. What is the causative agent ? A Giardia B Microsporidia C Isospora D E. histolytica 💡 Explanation HTV pt with malabsotion, fever, chronic diarrhoea, with acid fast positive organism. What is the causative agent ? ✓ Correct Answer: C. Isospora