"CHICAGO - Avian flu has wiped out 50.54 million birds in the United States this year, making it the country's deadliest outbreak in history, U.S. Department of Agriculture data showed on Thursday.

The deaths of chickens, turkeys and other birds represent the worst U.S. animal-health disaster to date, topping the previous record of 50.5 million birds that died in an avian-flu outbreak in 2015.

Birds often die after becoming infected. Entire flocks, which can top a million birds at egg-laying chicken farms, are also culled to control the spread of the disease after a bird tests positive."

Tom Polansek reports for Reuters November 24, 2022. [2]

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"Bird Flu Prompts Slaughter Of 1.8M Chickens In Nebraska" (AP) [3]