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