The number of cases of highly pathogenic avian influenza (HPAI) in commercial turkey flocks in Sanpete County, Utah, continues to climb, with the latest occurrence being confirmed on October 25.

With the latest case, reported by the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS), the total number of commercial turkeys in that county to be affected by HPAI in 2022 is estimated at 701,600. The most recent case is the smallest flock to be affected, with 3,900 birds involved.

HPAI was first confirmed in Sanpete County on July 14, with two more cases following that month. No new cases in the county were reported until September 13, and the cases have pretty consistently continued since that time. So far in October, seven Sanpete County turkey flocks have been affected by HPAI.

To date, APHIS has reported a total of 18 cases of HPAI in commercial poultry flocks in October. Other states to report instances of HPAI in commercial poultry this month include South Dakota, Nebraska, Pennsylvania, California and Arkansas. Another October case in Kansas, earlier identified by APHIS as a commercial duck breeding flock, has since been reclassified by APHIS as a backyard flock.

The only other case of HPAI in commercial poultry in Utah in 2022 was detected in a commercial egg operation in Cache County, which was confirmed on April 25 and affected 1,501,200 hens.

The most recent Sanpete County case was the only case to be reported by APHIS on October 25.

Avian flu in Canada

The Canadian Food Inspection Agency (CFIA) has also reported one new confirmed instance of HPAI. The virus was detected in Cartier, Manitoba, on October 24. Additional information concerning flock size and the type of birds involved has not yet been released.


Cartier had two earlier cases, confirmed on September 14 and 16.

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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