Microbiology A 28 year old male presents with high fever, and signs suggestive of meningitis. On CSF microscopy, a gram-positive bacilli is seen. Organism is A S.pneumoniae B H.influenzae C Listeria D Mycoplasma 💡 Explanation A 28 year old male presents with high fever, and signs suggestive of meningitis. On CSF microscopy, a gram-positive bacilli is seen. Organism is ✓ Correct Answer: C. Listeria