Cryptococcosis, or cryptococcal disease, is a serious and potentially fatal fungal disease. It is caused by members of the Cryptococcus neoformans species complex, comprising the three variants C. neoformans v. gattii (Cryptococcus gattii), C. neoformans v. neoformans, and C. neoformans v. grubii. Cryptococcosis is believed to be acquired by inhalation of the infectious propagule from the environment. Although the exact nature of the infectious propagule is unknown, the leading hypothesis is th… (More on Cryptococcosis)