Avian Influenza (AI), commonly called bird flu, is a disease found in some populations of wild water fowl that can infect chickens, turkeys, pheasants, quail, ducks, geese and guinea fowl, as well as a wide variety of other domesticated and wild birds. Once AI is introduced into domestic avian populations, subsequent spread is normally caused by domestic bird-to-bird contact or through contact with contaminated people, feed or equipment rather than through secondary introductions from the wild reservoir.
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