<prompt> The most common organism amongst the following that causes acute meningitis in an AIDS patient is a:Streptococcus pneumoniaeStreptococcus agalactiaeCryptococcus neoformansListeria monocytogenes  <response>: Ans. is c i.e., Cryptococcus neoformansRef: Harrison, 18the, p. 1559, 1560; 17the, p. 1182 Most common cause of seizures - Toxoplasma Most common cause of meningitis - Cryptococcus Most common cause of focal neurological deficit - Toxoplasma 