EPIDEMIOLOGY: There are differences in number of cases in different strains of C. neoformans Footnote 1.
C. neoformans serotypes A and D are distributed worldwide and cause the vast majority of cryptococcal infections, predominately in immunocompromised individuals. Serotype A is responsible for over 95% of cryptococcosis cases worldwide Footnote 1.
C. neoformans serotype A appears to be implicated in 99% of AIDS patients with cryptococcosis worldwide, except in France where serotype A is responsible for around 80% of the infections