Walsh & Hoyt: Cryptococcus Neoformans (Cryptococcosis)

There are 19 known species of the genus Cryptococcus, but the etiologic agent in almost all cases of human infection is a single species, Cryptococcus neoformans. Although rare cases of infection fromother cryptococcal species occur, such infections usually do not affect either the eye or the CNS. We therefore will limit the discussion that follows to C. neoformans and the diseases it produces