USDA finds unusual twist: Bird flu moved from dairy cows to poultry in Michigan
![USDA finds unusual twist: Bird flu moved from dairy cows to poultry in Michigan](https://www.toledoblade.com/image/2024/06/19/600x_a4-3_cCM_ca0,129,2268,2521/physicians-committee-for-responsible-medicine.jpg)
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 that had been unknowingly introduced in the spring to infected cows imported from a Texas dairy operation. From there, poultry farmers in the state took the viral hit.