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Canadian bird flu case not highly pathogenic H5N1

J

Jeremy

Well-known member
http://ca.today.reuters.com/news/newsArticle.aspx?type=topNews&storyID=2006-06-20T163358Z_01_N20440914_RTRIDST_0_NEWS-BIRDFLU-CANADA-TEST-COL.XML

WINNIPEG, Manitoba (Reuters) - The Canadian Food Inspection Agency will release results of its tests from a case of bird flu in the eastern province of Prince Edward Island at mid-afternoon on Tuesday, spokesman Marc Richard said.

A gosling from a backyard flock in the Atlantic province tested positive for H5 avian flu on Friday. The noncommercial flock of 35 to 40 chickens, geese and ducks was euthanized and a neighboring backyard flock was also quarantined.

Not all H5 viruses are highly pathogenic and not all will cause severe disease in poultry. Canada has had low pathogenic outbreaks in the past.
 
Re: Canada sees bird flu test results mid-afternoon

Re: Canada sees bird flu test results mid-afternoon

http://today.reuters.com/news/newsArticle.aspx?type=topNews&storyID=2006-06-20T164130Z_01_N20374099_RTRUKOC_0_US-BIRDFLU-CANADA-RESULT.xml&archived=False

OTTAWA (Reuters) - A case of bird flu in the eastern Canadian province of Prince Edward Island was not the highly pathogenic H5N1 strain, a Canadian source said on Tuesday.

"The news is good. The dead bird was not carrying the highly pathogenic strain of H5N1," the source told Reuters, declining to say exactly what the dead bird had been suffering from.
 
Re: Canadian bird flu case not highly pathogenic H5N1

http://www.dose.ca/toronto/news/story.html?s_id=hdCFuRz4m6qLKj2BIQIXchpd2KhQuk7FHmUsz%2FkruCrUKy7oo2kfpA%3D%3D

OTTAWA (Reuters) - A gosling from a Canadian backyard flock did not die of the highly pathogenic H5N1 strain of bird flu found in Asia, Europe and Africa, a Canadian source said on Tuesday.

"The news is good. The dead bird was not carrying the highly pathogenic strain of H5N1," the source told Reuters. The source, who spoke on condition of anonymity, declined to give more details on the results of tests on the dead bird.

Officials said last Friday that the gosling had tested positive for H5 avian flu, prompting scattered fears that the highly pathogenic H5N1 strain might have reached North America for the first time.

The bird was part of a noncommercial flock of 35 to 40 chickens, geese and ducks in the eastern province of Prince Edward Island.

Officials said last week that they were carrying out further tests to determine what strain of the disease it had, and they insisted there was no danger to the public.

The Canada Food Inspection Agency was due to release results of the bird flu tests on Tuesday at mid-afternoon.

But officials had also been cautiously playing down the possibility that the bird had suffered from the H5N1 strain found in Asia and other regions.

"That virus is marked by very high mortality in birds, which was not observed in this particular situation," the CFIA said on Monday.

Not all H5 viruses are highly pathogenic and not all will cause severe disease in poultry.

Canada has had low pathogenic bird flu outbreaks in the past, most recently in British Columbia in November 2005, when the low pathogenic H5N2 strain was discovered.

Those birds did not show signs of illness, but 60,000 ducks and geese were culled in the western province.

There was a highly pathogenic case of H5N9 bird flu in 1966 and a case of high pathogenic H7N3 in 2004.

Prince Edward Island, scene of the latest case, has only seven commercial chicken farms and industry officials said there are none within a 10 km (6 mile) radius of the affected farm.

The flock where the dead gosling was found was culled and a neighboring backyard flock was quarantined.
 
Re: Canadian bird flu case not highly pathogenic H5N1

Perhaps a Low Pathogenic H5N1



CDC: Low Pathogenic versus Highly Pathogenic Avian Influenza A Viruses

Avian influenza A virus strains are further classified as low pathogenic (LPAI) or highly pathogenic (HPAI) on the basis of specific molecular genetic and pathogenesis criteria that require specific testing. Most avian influenza A viruses are LPAI viruses that are usually associated with mild disease in poultry. In contrast, HPAI viruses can cause severe illness and high mortality in poultry. More recently, some HPAI viruses (e.g., H5N1) have been found to cause no illness in some poultry, such as ducks. LPAI viruses have the potential to evolve into HPAI viruses and this has been documented in some poultry outbreaks. Avian influenza A viruses of the subtypes H5 and H7,including H5N1, H7N7, and H7N3 viruses, have been associated with HPAI, and human infection with these viruses have ranged from mild (H7N3, H7N7) to severe and fatal disease (H7N7, H5N1). Human illness due to infection with LPAI viruses has been documented, including very mild symptoms (e.g., conjunctivitis) to influenza-like illness. Examples of LPAI viruses that have infected humans include H7N7, H9N2, and H7N2.
In general, direct human infection with avian influenza viruses occurs very infrequently, and has been associated with direct contact (e.g., touching) infected sick or dead infected birds (domestic poultry)
 
Re: Canadian bird flu case not highly pathogenic H5N1

If it is low path, it could be almost any H5 serotype. Last year Canada found H5N1, H5N2, H5N3, and H5N9 in wild birds in southern Canada (H5N1 in Manitiba, H5N3 in Quebec, H5N2 and H5N9 in British Colmbia. H5 was also on east coast, but I'm not sure if serotype was given.

NONE of the sequences however have been released. I suspect the sequneces have Qinghai polymorphisms, indicating Qinghai H5N1 is circulating there.
 
Re: Canadian bird flu case not highly pathogenic H5N1

Dr. Niman, if they did release the sequences, could we follow the virus trail and see where its been?

-hawkeye
 
Re: Canadian bird flu case not highly pathogenic H5N1


Canada bird flu believed low pathogen strain
WINNIPEG, Manitoba (Reuters) - The Canadian Food Inspection Agency said on Tuesday, it has only negative results for all bird flu samples taken from a backyard flock in Eastern Canada.

"So far we have nothing but negative results from all samples that have been taken from Prince Edward Island," said CFIA veterinarian Dr. Jim Clark.

All indications show the gosling carried a low-pathogen strain of bird flu which is not a threat to human health.
 
Re: Canadian bird flu case not highly pathogenic H5N1

hawkeye said:

Canada bird flu believed low pathogen strain
WINNIPEG, Manitoba (Reuters) - The Canadian Food Inspection Agency said on Tuesday, it has only negative results for all bird flu samples taken from a backyard flock in Eastern Canada.

"So far we have nothing but negative results from all samples that have been taken from Prince Edward Island," said CFIA veterinarian Dr. Jim Clark.

All indications show the gosling carried a low-pathogen strain of bird flu which is not a threat to human health.
Click to expand...

I think this is one step beyond "hopes and dreams".
 
Re: Canadian bird flu case not highly pathogenic H5N1

Alright now I am confused.

They admitted to finding H5 but now they are saying that they are unable to find ANY bird flu.

Is it me or does this not make sense?
 
Re: Canadian bird flu case not highly pathogenic H5N1

H5 is a reportable disease. In poultry the reporting is MANDATORY. For a National Lab like Winnipeg, sequence data is also expected (in 2005 they submitted sequence data to Genbank on Nov 29, 9 days after the OIE report).

If Winnipeg can't find H5 there is nothing to report or sequence. However, the report last Friday was on CONFIRMED H5 and the birds are definitely dead and low path does NOT kill waterfowl.
 
Re: Canadian bird flu case not highly pathogenic H5N1

hawkeye said:

Canada bird flu believed low pathogen strain
WINNIPEG, Manitoba (Reuters) - The Canadian Food Inspection Agency said on Tuesday, it has only negative results for all bird flu samples taken from a backyard flock in Eastern Canada.

"So far we have nothing but negative results from all samples that have been taken from Prince Edward Island," said CFIA veterinarian Dr. Jim Clark.

All indications show the gosling carried a low-pathogen strain of bird flu which is not a threat to human health.
Click to expand...

Yes, even low path sequences would show if there was interation with Qinghai strains.

Canada still has NOT released H5 sequences from wild birds from last year (which would also show Qinghai sequences).
 
Re: Canadian bird flu case not highly pathogenic H5N1

niman said:
If it is low path, it could be almost any H5 serotype. Last year Canada found H5N1, H5N2, H5N3, and H5N9 in wild birds in southern Canada (H5N1 in Manitiba, H5N3 in Quebec, H5N2 and H5N9 in British Colmbia. H5 was also on east coast, but I'm not sure if serotype was given.

NONE of the sequences however have been released. I suspect the sequneces have Qinghai polymorphisms, indicating Qinghai H5N1 is circulating there.
Click to expand...
H5N1 ?
 
Re: Canadian bird flu case not highly pathogenic H5N1

niman said:
Winnipeg says ALL samples are negative = NO BIRD FLU of any serotype!
Click to expand...

I am not sure whether I should laugh or cry.
 
Re: Canadian bird flu case not highly pathogenic H5N1

hawkeye said:


"So far we have nothing but negative results from all samples that have been taken from Prince Edward Island," said CFIA veterinarian Dr. Jim Clark.

All indications show the gosling carried a low-pathogen strain of bird flu which is not a threat to human health.
Click to expand...



Wait... there is a contradiction here so the media report misunderstand something.

They talk about negative result and right after this they said it poit out to a low-pathogenic strain.

Nobody here know which test exacly, have been done !

Please wait the right answer will come out from
http://www.inspection.gc.ca/english/anima/heasan/disemala/avflu/avflue.shtml
 
Re: Canadian bird flu case not highly pathogenic H5N1

The Canadian Press<o =""></o>
Published: <st1:date year="2006" day="20" month="6">Tuesday, June 20, 2006</st1:date><o =""></o>
<o =""></o>
<st1:country-region><st1 ="">Canada</st1></st1:country-region>'s national animal laboratory could not isolate any avian flu viruses from samples taken from domestic poultry on a <st1:state><st1 ="">lace>Prince Edward Island</st1></st1:state> farm where one goose earlier tested positive for an H5 virus.

----------------<o =""></o>
<st1:country-region><st1 ="">Canada</st1></st1:country-region>'s national animal laboratory could not isolate any avian flu viruses from samples taken …ahem I have heard this before but any?<o =""></o>
<o =""></o>
Like not even H5? Sounds good to me as all sounds good, only I don’t listen.

http://www.canada.com/topics/news/national/story.html?id=550b6e3a-ed3d-4caf-a6e7-55cbab8c1270&k=97413



Cry baby cry,eaven Iraq gives more detailed reports,,,, Canada reports sound like Finland see Jurmo.
<o ="">
</o>
 
Re: Canadian bird flu case not highly pathogenic H5N1

HAHAAAAAA

Mingus said:
Wait... there is a contradiction here so the media report misunderstand something.

They talk about negative result and right after this they said it poit out to a low-pathogenic strain.

Nobody here know which test exacly, have been done !

Please wait the right answer will come out from
http://www.inspection.gc.ca/english/anima/heasan/disemala/avflu/avflue.shtml
Click to expand...


hawkeye said:

Canada bird flu believed low pathogen strain
WINNIPEG, Manitoba (Reuters) - The Canadian Food Inspection Agency said on Tuesday, it has only negative results for all bird flu samples taken from a backyard flock in Eastern Canada.

"So far we have nothing but negative results from all samples that have been taken from Prince Edward Island," said CFIA veterinarian Dr. Jim Clark.

All indications show the gosling carried a low-pathogen strain of bird flu which is not a threat to human health.
Click to expand...
 
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