Causes
The fungus Cryptococcus, present in the environment (especially in bird droppings). It is inhaled. There is greater risk in immunocompromised animals.
Diagnosis
Identification of the fungus in samples (cytology, culture) and antigen testing.
Treatment
Antifungals for a prolonged period (months). The prognosis depends on how widespread the infection is.
Prevention
Difficult to prevent. Avoid environments with large accumulations of bird droppings.

