Canada’s latest case of highly pathogenic avian influenza (HPAI) was confirmed in the province of Manitoba.

According to the Canadian Food Inspection Agency (CFIA), the latest case was detected in a commercial poultry flock in the Rural Municipality of Bifrost-Riverton, and the presence of HPAI in that flock was confirmed on September 25.

An earlier case of HPAI was confirmed in Bifrost-Riverton on September 19, with that case also being found in a commercial poultry flock.

The size of those affected Bifrost-Riverton flocks, or what type of poultry operations they were have not yet been disclosed.

So far in 2022, six commercial flocks in Manitoba have been affected by HPAI, as well as two backyard flocks. Of those six commercial poultry cases, all but one were reported in September, with the first one being confirmed on April 23.  


In the United States, the last case of HPAI was confirmed on September 25 in a commercial flock containing 15,000 turkeys in McPherson County, South Dakota, according to information from the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS).

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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