Aspergillosis
Explains this common bird disease.
Parrot fever - can be transmitted to humans.Giardia
A parasite most often found in cockatiels.Manual of Parrot Diseases
From the Society of Parrot Breeders and Exhibitors, discusses diseases from aspergillosis to trichomonas.Prevention of Avian Polyomavirus
A vaccine was developed in 1995 for this disease. Understand why or why not vaccinate.Understanding PDD
Work is underway to better understand this ailment and to find a cure.