psittacosis

An infectious disease of parrots and related birds caused by the bacterium Chlamydia psittaci, that is communicable to humans, in whom it produces high fever, severe headache, and symptoms similar to pneumonia.

An infectious influenza-like disease of parrots, which may be transmitted to man in the form of disease of the lungs.

An infection by Chlamydia bacteria, caught from infected birds, and characterised by fever, pneumonia and headaches.

infectious disease of birds

an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds