from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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. Also called parrot fever.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from The Century Dictionary and Cyclopedia

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

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. infectious disease of birds
  • n. an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds


from The American Heritage® Dictionary of the English Language, 4th Edition

New Latin psittacōsis : Latin psittacus, parrot (from Greek psittakos) + -osis.

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin psittacus ("parrot") +‎ -osis


  • It was presumed to be due to a virus, and as Australia's only recognized virologist, material from guinea pigs was sent down to him. 8 On histological examination of tissues from an infected mouse he noticed a "vague herringbone pattern" which recalled what he had seen in psittacosis and had read about for rickettsiae, and using Castaneda's stain he had no doubt that the organism was a rickettsia.

    The Walter and Eliza Hall Institute

  • Birds, especially parrots, can give people a disease called psittacosis, sometimes also referred to as parrot fever, which is caused by bacteria in the droppings, on the feathers, and in the nasal secretions of infected birds.


  • The Disease is called psittacosis - also known as parrot disease, parrot fever, and ornithosis - is a zoonotic infectious disease caused by a bacterium called Chlamydophila psittaci (formerly Chlamydia psittaci) and contracted not only from parrots, such as macaws, cockatiels and budgerigars, but also from pigeons, sparrows, ducks, hens, gulls and many other species of bird. - Articles related to Indonesia girl dies from bird flu, 3 undergo tests

  • Parrot fever, also known as psittacosis, must be reported to the Swedish Institute for Infectious Disease Control (Smittskyddsinstitutet) as well as infectious disease specialists at local health authorities.

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  • He insisted my lungs looked like I had psittacosis.

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  • Why, for example, weaponize tularemia (rabbit fever) and psittacosis (parrot fever)?

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  • Um… psittacosis is birds, virtually every cat and most humans have been exposed to toxoplasmosis already and cats only shed toxoplasmosis for a very few days once in their entire life, and if your cat has ringworm I suggest you get to the vet.

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  • Not the one who listed “toxoplasmosis, psittacosis, and ringworm” as the major risks.

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  • Amanda De La Garza says she contracted the bacterial infection psittacosis, also known as “parrot fever,” from a cockatiel she bought at a Corpus Christi, Texas PetSmart.

    PetSmart Sued in 'Parrot Fever' Death

  • PetSmart also states that, “all cockatiels receive a 14-day course of antibiotics and then a seven-day isolation period to protect people against psittacosis,” according to ABC News.

    PetSmart Sued in 'Parrot Fever' Death


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