Unusual twist: Bird flu moved from dairy cows to poultry in Michigan--USDA

USDA finds unusual twist: Bird flu moved from dairy cows to poultry in Michigan LANSING — A team of epidemiologists from the U.S. Department of Agriculture have traced the H5N1 viral spread in Michigan to a single herd of dairy cattle ... The Blade

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The USDA report points to spread of the virus in Michigan as likely linked to the sharing of workers between dairy and poultry operations, milk collectors, with close contact to infected cows moving their services from one farm operation to another, and even veterinarians. While many wild birds are carrying the virus currently, there was no indication that this outbreak in Michigan started with them.