Microbiology The most common organism amongst the following that causes acute meningitis in an AIDS patients is a- A Streptococcus pneumoniae B Streptococcus agalactiae C Cryptococcus neoformans D Listeria monocytogenes 💡 Explanation The most common organism amongst the following that causes acute meningitis in an AIDS patients is a- ✓ Correct Answer: C. Cryptococcus neoformans