The article discusses a significant outbreak of highly pathogenic avian flu, with the Department of Agriculture reporting 81 detections in wild birds across 24 states. The spread involves infected wild birds, often without visible illness, which can expose domestic poultry. Culling of birds has occurred in states like Pennsylvania and New York. Notably, changes in migratory patterns are impacting cases, and concerns rise over a new strain, H5N9, discovered in California. Experts warn of increasing potential for human cases isolated from birds, as the flu persists in the avian population.
Driving the news: The Department of Agriculture last week confirmed 81 detections of highly pathogenic avian flu in wild birds collected across 24 states between Dec. 29 and Jan. 17.
Changes in migratory patterns may be worsening the issue in northern states, which now see certain wild birds stay for the winter because water sources aren't freezing, Osterholm said.
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