Bird flu cases are on the rise across the country as wild flocks migrate south for the winter, mingling with domestic poultry farms and backyard birds as they go. As of Nov. 7, bird flu has been confirmed in 67 flocks across the country in the last 30 days, leading to the deaths of 3.72 million birds across commercial and backyard flocks.

The Michigan Department of Agriculture and Rural Development agency on Wednesday, Nov. 5 reported that two more commercial flocks in Ottawa County had been infected with avian influenza.

The Delaware Department of Agriculture announced on Friday that a presumptive positive for H5 HPAI, better known as avian influenza or “the bird flu,” has been found in a Kent County backyard poultry flock.

A surge in deadly bird flu cases in Europe has prompted more countries to confine millions of poultry indoors to shield them from infected wild birds, with Ireland the latest to take action on Wednesday.

The "devastating" impact of avian flu on farmers has been described by the managing director of a poultry firm. Mark Gorton, the founder of Traditional Norfolk Poultry, spoke after the H5N1 virus, commonly known as bird flu, was confirmed at a turkey farm at Elveden, Suffolk, close to the border with west Norfolk.

Darlene Konkle, a state veterinarian with the Department of Agriculture, Trade and Consumer Protection, said the current strain of the bird flu was detected in Wisconsin in 2022. Largely, the cases pop up around the spring or fall, during the time that wild waterfowl are migrating.

China lifted a ban linked to Brazil's avian influenza outbreak, the country's General Administration of Customs said in a notice released on Friday.

The Delaware Department of Agriculture has announced a backyard flock of poultry has returned a presumptive positive detection of avian influenza in Kent County.

Across the region, the HPAI situation has deteriorated sharply since the start of October, particularly in Germany.

Canada's government will cull more than 300 ostriches at a farm in British Colombia, where some birds were infected with avian flu, after the country's highest court on Thursday declined to hear arguments to spare them.