From the University of Minnesota: USDA reports reveal biosecurity risks at H5N1-affected dairy farms

Shared equipment and shared personnel working on multiple dairy farms are some of the main risk factors for ongoing spread of highly pathogenic H5N1 avian flu in dairy cows, the US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) said today in a pair of new epidemiologic reports.

One of the reports is an overview based on the results of questionnaires from affected dairy herds, and the other is a deep dive into the dairy cow and poultry outbreaks in Michigan, the state hit hardest by outbreaks in dairy cows, which now number at least 94.

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