Avian influenza

an acute, usually fatal viral disease of chickens and other domestic and wild birds except pigeons, characterized by sudden onset of symptoms including fever, swollen head and neck, bluish-black comb and wattle, and difficult respiration.

See bird flu


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  • Avian flu

    noun another name for bird flu Contemporary Examples You were commended after the avian flu pandemic for your ability to forge such close friendships with international leaders. Meet America’s New Top Ebola Fighter Abby Haglage September 25, 2014 noun See bird flu

  • Avian leukosis

    leukosis. any of several diseases occurring chiefly in chickens, involving proliferation of the leukocytes and characterized by paralysis, blindness, formation of tumors in the internal organs, and bone calcification. leukosis leu·ko·sis (lōō-kō’sĭs) n. The abnormal proliferation of one or more of the leukopoietic tissues.

  • Avian pneumoencephalitis

    Newcastle disease.

  • Avian leukosis-sarcoma complex

    avian leukosis-sarcoma complex avian leukosis-sarcoma complex n. A division of the RNA tumor viruses that causes a group of transmissable diseases of poultry. Also called avian leukosis-sarcoma virus. The group of diseases caused by this division of viruses.

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