"Iowa to Cull 4.2M Chickens After Bird Flu Outbreak in Sioux County"

TL;DR
Over 4 million egg-laying chickens in Sioux County, Iowa, will be culled after officials detected a highly pathogenic avian influenza outbreak. This marks the largest flock impacted by bird flu in the U.S. this year. The outbreak has led to a disaster proclamation for the county and raises concerns about egg supplies for bird flu vaccines.
- More than 4 million chickens to be killed in Iowa after officials detect bird flu on farm CBS News
- Farmers must kill 4.2 million chickens after bird flu hits Iowa egg farm NBC News
- 4M Iowa chickens being killed after bird flu detected at egg farm The Hill
- Iowa reports first bird flu outbreak this year at Sioux County farm Des Moines Register
- Bird flu strikes flock of 4.2 million chickens in Iowa's Sioux County • Nebraska Examiner Nebraska Examiner
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