Bird breeders and owners can protect themselves by avoiding the dust from the feathers and the cages of sick birds. If infected birds are discovered, they need to be treated. Their cages must be disinfected before further use. A person who has contact with sick birds should be watched for symptoms of psittacosis.
In rare cases, a person with psittacosis can develop infections of the heart, liver, brain, or spinal cord.
It is unusual for humans to pass the psittacosis infection to each other.