The latest cases of highly pathogenic avian influenza (HPAI) to be detected in the United States include a commercial turkey flock in Sanpete County, Utah, and an upland gamebird operation in York County, Nebraska.

Both cases were confirmed on October 18.

According to the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) the Utah flock involved 100,300 birds, while the Nebraska flock involved 34,900 birds.

This marks the 16th case of HPAI in Sanpete County in 2022, and the 17th in Utah. Sanpete County’s most recent case prior to this pushed the number of commercial birds lost to HPAI in 2022 past 46 million.

York County has now had two cases of HPAI, both of which involved commercial upland gamebird operations. In the previous case, 139,500 birds were affected, and that case was confirmed on October 4. Other Nebraska counties to have commercial operations struck by HPAI include Butler, Dixon and Knox.

New HPAI case in Ontario

Another case of HPAI in North America was confirmed on October 18. The Canadian Food Inspection Agency (CFIA) announced that a commercial poultry flock in Wellesley Township, Ontario, had been affected. CFIA did not disclose the size of the flock or the type of birds involved.


This is the 24th case of HPAI in commercial poultry in Ontario this year, but the first for that particular township.

To learn more about HPAI cases in commercial poultry flocks in the United States and Canada, see an interactive map on 

Read our ongoing coverage of the global avian influenza outbreak.

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