Cryptococcus neoformans

Cryptococcus neoformans is an encapsulated yeast known to cause cryptococcal meningitis. This form of meningitis is mostly seen in immunocompromised individuals such as those with HIV/AIDS, or those who have had a recent organ transplant. Cryptococcus neoformans is naturally found in soil and pigeon feces. Symptoms include headache and neck pain, nausea, photophobia, vomiting, and fever.