Explore the recorded discovery and history of Cryptococcus neoformans, with source links and stated limits.
An encapsulated yeast associated with lung infection and cryptococcal meningitis. Most exposed people do not become ill. Disease is particularly important in people with weakened immunity.
The selected sources do not establish the first person ever infected. Naming, recognition and biological origin are separate questions.
Source check: 2026-09-21. Educational content; independent scientific review remains pending.