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PostPosted: Mon Feb 09, 2015 2:13 pm 
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Canada reports H5N1 bird flu virus in British Columbia: OIE

By Sybille de La Hamaide

PARIS (Reuters) - Canada reported an outbreak of the highly pathogenic bird flu virus H5N1 in the province of British Columbia, the World Organisation for Animal Health (OIE) said on Monday.

The outbreak was detected on Feb. 2 in a backyard poultry flock in the province of British Columbia, where bird flu cases of the separate H5N2 strain had been reported in December, it said, citing the Canadian Food Inspection Agency (CFIA).

The agency stressed that H5N1 avian influenza had not been reported in a commercial poultry flock in Canada and that the virus found in British Columbia was different from a strain circulating in Asia.

High pathogenic H5N1 bird flu first infected humans in 1997 in Hong Kong. It has since spread from Asia to Europe and Africa and has become entrenched in poultry in some countries, causing millions of poultry infections and several hundred human deaths.

"Based on the limited partial sequence of the H5 and N1 gene segments obtained this far, it appears very likely that this is the same or a very similar virus to the ... H5N1 virus in Washington State, but more sequencing will be needed to make a final conclusion," the CFIA said in its report.

The H5N1 strain of bird flu was found earlier this year on a green-winged teal in the U.S. state of Washington near the border with Canada.

(Additional reporting by Rod Nickel in Winnipeg; Editing by Gus Trompiz and David Holmes)

http://news.yahoo.com/canada-reports-h5 ... 13233.html

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PostPosted: Tue Feb 10, 2015 12:14 pm 
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Canada reports H5N1 bird flu virus in British Columbia
Published February 10, 2015
Reuters

Dec. 8, 2014: A view of a poultry farm under quarantine due to bird flu, or avian influenza, in Chilliwack, British Columbia. (Reuters)
Canada reported an outbreak of the highly pathogenic H5N1 bird flu virus in the province of British Columbia, the World Organisation for Animal Health (OIE) said on Monday.

The outbreak was detected on Feb. 2 in a backyard poultry flock in the province, where bird flu cases of the separate H5N2 strain had been reported in December, OIE said, citing the Canadian Food Inspection Agency (CFIA).

The agency stressed that H5N1 avian influenza had not been reported in a commercial poultry flock in Canada and that the virus found in British Columbia was different from a strain circulating in Asia. No human infections have been reported with the H5N1 virus detected in Canada, unlike the genetically different Asian strain, an OIE spokeswoman said.

H5N1 bird flu, which first infected humans in 1997 in Hong Kong, has since spread from Asia to Europe and Africa and has become entrenched in poultry in some countries, causing millions of poultry infections and several hundred human deaths.

"Based on the limited partial sequence of the H5 and N1 gene segments obtained this far, it appears very likely that this is the same or a very similar virus to the ... H5N1 virus in Washington state, but more sequencing will be needed to make a final conclusion," the CFIA said in its report.

The agency said it could not immediately comment.

The H5N1 strain of bird flu was found earlier this year on a green-winged teal in Washington near the border with Canada.

http://www.foxnews.com/health/2015/02/1 ... -columbia/

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PostPosted: Tue Feb 10, 2015 12:16 pm 
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H5N1 bird flu strikes Canadian flock

Don Jenkins
Capital Press
Published: February 9, 2015 10:00AM

Highly pathogenic H5N1 avian influenza has been detected for the first time in Canada.

Highly pathogenic H5N1 avian flu, a new virus created by Eurasian and North American strains mixing among wild birds, has been reported for the first time in Canada.

A 94-chicken flock of egg layers in Chilliwack, British Columbia, was infected by the virus, the Canadian Food Inspection Agency reported Feb. 7.

The birds, designated by Canadian authorities as a non-commercial flock, were being raised inside a control zone established after bird flu broke out in early December in the Fraser Valley.

The virus killed 81 birds. The other 13 were euthanized, according to the CFIA.

Between Dec. 1 and 19, 11 B.C. commercial poultry farms and one non-commercial flock were infected with highly pathogenic H5N2 bird flu, another virus created by Eurasian and North American strains mixing. Some 245,600 chickens and turkeys died or were destroyed.

There had been no outbreak reported in B.C. since Dec. 19 until last week.

The virus that infected the Chilliwack flock was apparently nearly identical to the H5N1 virus found in a green-winged teal duck shot by a hunter Dec. 29 near Sumas, Wash., according to the CFIA. Chilliwack and Sumas are about 20 miles apart.

CFIA reported that more tests will be done to determine whether the H5N1 viruses in the duck and non-commercial flock were exactly identical.

Because of the North American strain, the H5N1 viruses found in Chilliwack and Sumas are genetically different from the H5N1 virus linked to human deaths in Asia, officials say.

Canadian officials say migrating birds likely introduced highly pathogenic avian flu to British Columbia, but they have not said how disease spread rapidly among commercial operations.

http://www.capitalpress.com/Nation_Worl ... dian-flock

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PostPosted: Tue Feb 10, 2015 6:42 pm 
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Further Details Emerge of British Columbia Bird Flu Outbreak
10 February 2015

CANADA - The latest outbreak of highly pathogenic avian flu in domestic poultry is in the same region of British Columbia - the Fraser Valley - but the H5N1 virus variant has been identified in this case.
The veterinary authority sent an Immediate Notification dated 6 February to the World Organisation for Animal Health (OIE).
It offers more detail on the already reported outbreak of highly pathogenic avian influenza in British Columbia.
It started in a backyard flock of 'non-commercial semi-confinement chicken laying hens' in Chilliwack. Of the 94 birds in the flock, 81 died and the rest have been destroyed.
The usual measures have been introduced to prevent further spread of the virus.
The presence of the H5N1 highly pathogenic avian influenza virus has been confirmed. This is the first time this variant has been identified in the country.

http://www.thepoultrysite.com/poultryne ... u-outbreak

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PostPosted: Tue Feb 10, 2015 7:50 pm 
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H5N1 virus in British Columbia poultry may match Washington strain
Preliminary findings suggest that the highly pathogenic avian influenza (HPAI) H5N1 virus found recently in backyard poultry in British Columbia matches an H5N1 virus that surfaced in Washington state in January, according to Canadian officials.

The virus sickened all 94 chickens in a backyard flock in Chilliwack, B.C., and killed 81 of them, the Canadian Food Inspection Agency (CFIA) said in a report filed with the World Organization for Animal Health (OIE) on Feb 7. The other 13 chickens were destroyed.

"Based on the limited partial sequence of the H5 and N1 gene segments obtained this far, it appears very likely that this is the same or a very similar virus to the recent reassortant H5N1 virus in Washington State, but more sequencing will be needed to make a final conclusion," the OIE report said.

An H5N1 virus found in a green-winged teal in Whatcom County, Wash., marked the first detection of a highly pathogenic H5N1 strain in the United States, according to an OIE report posted Jan 20.

The Canadian report also said the H5 component of the H5N1 virus found in Chilliwack is very similar to the H5 component of an H5N2 virus that caused outbreaks on several poultry farms in the same area in December.

The report emphasizes that the H5N1 virus differs from the highly pathogenic H5N1 circulating and causing sporadic human cases in Egypt and parts of Asia, adding that the N1 component comes from North American wild birds.
Feb 7 OIE report
Related Feb 9 CIDRAP News item
Related Jan 21 CIDRAP News story

http://www.cidrap.umn.edu/news-perspect ... eb-10-2015

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