H5N1

Vancouver's urban poultry enthusiasts who are taking care to keep their flocks safe and healthy as deadly avian flu sweeps through dozens of commercial flocks across B.C., resulting in more than 8.5 million birds being culled.

Mark Siemens is a third-generation egg farmer in B.C.'s Fraser Valley and he recalls his grandfather sharing a story about fighting an unknown disease that raced through the farm decades ago, forcing him to cull the entire flock.

People have been hearing a lot about H5N1 bird flu — or highly pathogenic avian influenza — since a B.C. teen became the first human to get the virus in Canada and is in hospital.

Experts and health authorities say that while the risk of human infection with the H5N1 strain of the avian influenza remains low, people should avoid contact with sick or dead birds.

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Asymptomatic cases may seem reassuring for the penguins, but scientists fear they could act as Trojan horses for other species.

Avian flu vaccines hadn’t been used on birds in the U.S. until condors started succumbing to the virus last year.

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The carcasses of thousands of white gannets have been covering the shores of Quebec's Îles-de-la-Madeleine for the last two weeks, victims of highly pathogenic avian influenza.

Normally, wildlife rehabilitators are just as busy providing care for birds who fall victim to our windows, vehicles and our house cats allowed outdoors. But this year, the landscape is even more perilous, writes animal protection expert Kendra Coulter.

First detected in Canada last year, the H5N1 virus has killed over 1.7 million of the country's domesticated fowl and wreaked havoc on poultry and egg farms.

A Quebec duck-farming operation says three of its facilities have been devastated by avian flu, forcing it to slaughter 150,000 birds and lay off nearly 300 employees.

The number of avian flu cases in Quebec is growing, with four poultry farms now affected by the virus.

The agency says avian influenza is not a significant public health concern for healthy people who are not in regular contact with infected birds.