Microbiology Organism most likely to cause “fever of unknown origin” in a farmer who raises goats – A Brucella melitensis B Clostridium novyi C Histoplasma capsulatum D Mycobacterium tuberculosis 💡 Explanation Organism most likely to cause "fever of unknown origin" in a farmer who raises goats - ✓ Correct Answer: A. Brucella melitensis