The North American outbreak of highly pathogenic avian influenza (HPAI) continues as new cases have emerged in South Dakota, Alberta and Saskatchewan.

Avian flu in South Dakota

The presence of HPAI was confirmed in a commercial turkey flock in McPherson County, South Dakota, on September 22, reported the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS). There were 15,000 turkeys in that flock.

The McPherson County case was confirmed two days after APHIS reported the presence of the virus in two other South Dakota turkey flocks, both of which were in Clark County.

This  is McPherson County’s fifth case of HPAI in commercial poultry, all of which involved turkeys. As a whole, South Dakota has had 39 cases of HPAI in commercial poultry.

Avian influenza in Canada

Two new cases have also been reported in Canada, affecting commercial flocks in the provinces of Alberta and Saskatchewan.

The Alberta case was confirmed on September 23 in the Municipal District of Willow Creek, reported the Canadian Food Inspection Agency (CFIA). One day later, the presence HPAI was confirmed another commercial flock in the Rural Municipality of Britannia, Saskatchewan. CFIA did not disclose details about the flock types or sizes.

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So far in September, Alberta has had 11 commercial poultry flocks affected by HPAI, while Saskatchewan has had four confirmed cases.

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

Read our ongoing coverage of the global avian influenza outbreak.

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