← ReturnThere are 2 exposures and 3 cases of HP where Budgerigar precipitins was identified as an antigen.

Budgerigars
2009	Cough and breathlessness not responding to inhalers Alluri, R., et al.  BMJ. Cases: 1
2003	[A case of bird fanciers' lung with endobronchial polyps] Sugimoto, Y., et al.  Nihon Kokyuki Gakkai Zasshi. Cases: 1
Feathers
2017	Feather bedding as a cause of hypersensitivity pneumonitis Shaw, J., et al.  QJM. Cases: 1