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Bird flu outbreak in North Wales: H7N2

Re: Suspected bird flu outbreak in North Wales.

Re: Suspected bird flu outbreak in North Wales.

hawkeye said:
Thoughts?
Click to expand...
There are no current reported H7N2 outbreaks. This is once again wild birds (undetected by "surveillance" program, as happened last year with H7N3 in England).
 
Re: Suspected bird flu outbreak in North Wales: not H5N1

Re: Suspected bird flu outbreak in North Wales: not H5N1

Bird flu case confirmed at farm
A case of bird flu has been confirmed after the death of chickens at a farm in Conwy.

On Thursday, Wales's chief vet confirmed it was a H7N2 strain of bird flu, not the more virulent H5N1 strain of the virus.
The farm owners purchased 15 Rhode Island Red chickens two weeks ago but all have now died.
Two adults associated with the farm have shown flu symptoms and are being treated as a precaution.
Health officials are stressing that this is a low pathogenic strain and should not cause serious illness in humans.
Other samples from the farm are being tested and the source of the infection is being investigated.
The Wales and GB contingency plans have been implemented and a 1km exclusion zone is now in force around the property.

<TABLE><TBODY><TR><TD width=5></TD><TD class=fact><!--So--><!--Eo--><!--Smva-->While we are taking it very seriously, this is a low pathogenic avian flu
<!--Emva--><!--Smva-->Dr Christianne Glossop, Wales's chief vet <!--Emva--></TD></TR></TBODY></TABLE>

The small farm is north of the town of Corwen in Denbighshire but lies in the neighbouring county of Conwy.
Samples were first sent for testing on 17 May, before the H7 virus was confirmed.
The 15 new birds were brought onto the farm on 7 May and one bird died on 8 May. By 17 May, 10 of the birds had died.
The vet called in Animal Health, which used to be known as the State Veterinary service, which took samples.
Dr Christianne Glossop, Wales's chief vet, confirmed that the infected birds had died and that the other animals at the site - 30 other birds and two geese - were being slaughtered on Thursday.


"We have no reason to believe it is spreading rapidly," she said.
"While we are taking it very seriously, this is a low pathogenic avian flu," she said.
She said the source of infection was being investigated and urged "all poultry keepers to look out for any unusual signs".
In the exclusion zone, birds and bird products cannot be moved and bird gathering can only take place under licence.
At the moment, Dr Glossop added they were not currently asking bird keepers to bring their birds indoors.
Culled
Routine tests are being carried out on people who work on the farm and anybody else who has been in close contact.
North Wales AM Brynle Williams said: "I am appealing to all residents in Corwen and nearby to behave calmly, and to let government officials carry out their duties."
There are various strains of the bird flu virus, with the H5N1 strain posing a risk to human health and other strains including the milder H7 strain.
This is the first confirmed case of bird flu in Wales.
In February, more than 160,000 birds were slaughtered on a Suffolk farm owned by the Bernard Matthews firm after an outbreak of the virulent H5N1 strain of bird flu.
Avian flu was found there on 3 February and 2,600 turkeys died of it - a further 159,000 birds were then culled.

Story from BBC NEWS:
http://news.bbc.co.uk/go/pr/fr/-/1/hi/wales/6686995.stm
 
Re: Suspected bird flu outbreak in North Wales: not H5N1

Re: Suspected bird flu outbreak in North Wales: not H5N1

<TABLE cellSpacing=0 cellPadding=5 width=570 border=0><TBODY><TR><TD>Bird flu is back in UK
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By George Reynolds
</TD></TR><TR><TD>24/05/2007- Bird flu is back in the UK, following the discovery of the virus on a farm in north Wales, Government officials confirmed today.

Christianne Glossop, Chief Veterinary Officer for Wales, confirmed it was H7N2, a less virulent relative of the HN51 strain.

The 30 remaining birds on the farm have been slaughtered today and the farm employees and any others who have come into close contact are undergoing testing.

Health officials said the low pathogenic strain should not cause serious illness in humans.

Wales and GB contingency plans have now implemented a 1km restriction zone around the infected premises, in which no birds or bird products can be moved. Bird gathering is being permitted under licence.

The Department of Environment, Planning and Countryside (EPC) has asked poultry keepers to observe strict biosecurity measures and report any suspicious signs of a notifiable avian disease to their local Animal Health Divisional Office.

Animal Health officers could not confirm whether the disease was caused by a migratory wild bird or agricultural imports.

In February, a discovery of the HN51 virus on a Suffolk farm, owned by Bernard Matthews, led to 159,000 birds being slaughtered. The strain was linked to a similar strain found in an outbreak in Hungary in January.</TD></TR></TBODY></TABLE>

http://www.foodqualitynews.com/news/printNewsBis.asp?id=76819
 
Re: Suspected bird flu outbreak in North Wales: not H5N1

Re: Suspected bird flu outbreak in North Wales: not H5N1

Avian influenza (bird flu) confirmed in North Wales

Chief veterinary officer for Wales Dr Christianne Glossop has confirmed a case of avian influenza (bird flu) on a farm in North Wales.

The strain identified is H7N2 low pathogenic avian influenza. The strain is different to the highly pathogenic H5N1 strain currently circulating in South East Asia, and in Europe last year.

Great Britain and Wales contingency plans have been activated and the UK?s chief vet Debby Reynolds, has formally confirmed the presence of the virus in the UK.

The farm has been placed under restriction and a 1km restriction zone has been placed around it. The 30 remaining birds on the farm are being slaughtered today.

The source of infection is being investigated.

Poultry keepers are being reminded to report any suspicious signs of a notifiable avian disease to their local Animal Health Divisional Office. Members of the National Poultry Register will receive updates by text.

Avian influenza is a disease of birds. It is very rare for humans to become infected and even then it is normally associated with close contact with infected birds. The risk to the health of the general public is very low.

Routine tests are being carried out on people who work on the farm and anybody else who has been in close contact.

Further information

www.wales.gov.uk/avianflu

see also the avian influenza pages on this website

Page last modified: 24 May 2007, 15:00 hrs

Page published: 24 May 2007

http://www.defra.gov.uk/news/latest/2007/animal-0524.htm
 
Re: Suspected bird flu outbreak in North Wales.

Re: Suspected bird flu outbreak in North Wales.

niman said:
Both H5 and H7 are notifiable diseases.
Click to expand...

Isn't it interesting that the United States refuses to play by these rules?

A/guineafowl/NY/4649-18/2006(H7N2) does not appear to have been reported to anyone, much less the World Organization for Animal Health (OIE).
 
Re: Bird flu outbreak in North Wales: H7N2

i thought low path h7 wasnt a killer of birds.........?.
 
Re: Bird flu outbreak in North Wales: H7N2

??? "transmogrifying" ???

Isn't that the infamous machine used by Calvin & Hobbes?

J.
 
Re: Bird flu outbreak in North Wales: H7N2

vinny said:
Dr Simmons said there is no ongoing risk to the public, and added: "We do not anticipate this virus transmogrifying into the H5 strain, but it's not impossible."

is this possible..........?

http://www.24dash.com/news/47/21031/index.htm
Click to expand...

Being no expert..! I would say "Low Path" virus can turn into "High Path" by going through a series of hosts:

H5 viruses of low pathogenicity may become highly pathogenic usually after circulating in poultry flocks for a time (Pennsylvania, Italy).

Because of this, and the high mortality that 'low-path' AI can cause in turkeys, OIE and other bodies are currently examining ways to improve control of LPAI.

See current OIE records for up to date information on distribution of HPAI. Morbidity is high but mortality usually relatively low, 5-50%.

http://www.thepoultrysite.com/diseaseinfo/62/avian-influenzahighly-pathogenic-hpai-fowl-plague


"Transmogrifying" ..., that is one for the real experts! :)
 
Re: Bird flu outbreak in North Wales: H7N2

Couple tested after 'low risk' bird flu kills their chickens

by SEAN POULTER and LIZ HULL Last updated at 21:24pm on 24th May 2007
Comments
A couple who run a small farm are being tested for bird flu after an outbreak of the virus killed more than ten of their chickens.


Tony and Barbara Williams have shown flu-like symptoms which may signal that they caught the infection from handling the birds.
The hens on their farm in North Wales had the H7N2 strain of bird flu, which is less contagious and dangerous than the better-known H5N1 strain which hit a Bernard Matthews turkey plant in January. Scroll down for more...
birdflu11AP2405_468x498.jpg
Scientists test for bird flu near Corwen in North Wales


More....


If passed to humans, the symptoms, which can include conjunctivitis, are generally mild and simple to treat.
However, there is a danger that the virus can mutate into a strain which can be more harmful to humans unless it is quickly stamped out.
A 1km restriction zone has been placed around Tyn Llwyn farm in Llanfihangel Glyn Myfyr, Clwyd. This bans the movement of farm birds in or out of the zone.
It is thought that the infection arrived at the farm when Mr and Mrs Williams bought 15 young Rhode Island Red hens at a market in nearby Corwen two weeks ago, bringing their total number of birds to 45 chickens and two geese.
Ten birds died over the last two weeks.
Scroll down for more...
birdflu22AP2405_468x310.jpg
The farm under investigation



Neighbour Medwyn Roberts said Mr Williams kept chickens as a hobby but had recently trebled his number of hens.
"Tony keeps hens for eggs for himself and his neighbours," he said.
"I know that he took delivery of around 15 new birds a few weeks ago.
"He told me that one of the birds was already dead when they arrived. He will be gutted by what's happened."
Inspectors dressed in white forensic-type suits and masks examined the white stone cottage and the handful of small chicken sheds in its back garden.
They arranged for the slaughter of all the remaining birds on the property.
The chief veterinary officer for Wales, Dr Christianne Glossop, said: "We would remind poultry keepers throughout Wales to look for signs of disease.
"As the jigsaw puzzle becomes clearer we may put restraints on holdings in other parts of Britain."
Senior medical officer for Wales, Dr Mike Simmons, said supplies of the anti-flu drug Tamiflu have been delivered to the area to protect the human population.
He said, however: "There is no ongoing risk to the public." ;)
The Food Standards Agency said there would be no risk of contracting the virus from eating eggs from the farm.
A spokesman said: "The virus does not get into meat and eggs, but consumers should always ensure that poultry products are thoroughly cooked." :rolleyes:
Dr Colin Butter of the Institute For Animal Health said: "While we must take this outbreak seriously, there is no reason for the public to panic. "There was a similar outbreak in Norfolk in 2006 that was well contained with no risk to the public.":tiphat: http://www.dailymail.co.uk/pages/li...ain.html?in_article_id=457391&in_page_id=1774
 
Re: Bird flu outbreak in North Wales: H7N2

Mild avian flu hits Welsh farm

May 24, 2007 (CIDRAP News) ? Veterinary officials in Wales confirmed a low pathogenic H7N2 avian influenza outbreak today at a farm near the northern town of Denbighshire, a day after Nigeria reported its first H5N1 avian flu outbreak since late January.
The outbreak in Wales involves Rhode Island Red chickens that the farmers bought 2 weeks ago, the British Broadcasting Corporation (BBC) reported today. The birds began dying the day after they arrived at the farm, and by May 17, 10 of 15 had died.
The British Department of Environment, Food and Rural Affairs (DEFRA) in a statement said the remaining 30 birds on the farm were being culled today, and authorities have placed a 1-km restriction zone around the farm. The source of the outbreak is under investigation, and farm workers and others who may have had contact with the birds were being tested, DEFRA said.
The BBC report said two adults who were on the farm have symptoms of influenza and are receiving precautionary treatment.
Some countries, including the United States, destroy birds infected with any H5 or H7 influenza virus, because mild strains of these subtypes can mutate into highly pathogenic forms.
Christianne Glossop, chief veterinary officer for Wales, told the BBC that authorities don't believe the disease is spreading rapidly. "While we are taking this very seriously, this is a low pathogenic avian flu," she added.
In February, England experienced its first H5N1 avian flu outbreak at a turkey farm in Suffolk, which led to the culling of about 152,000 birds. In April 2006 a low-pathogenic form of H7N3 avian influenza struck three English farms, leading to the culling of 50,000 poultry.
A handful of H7N2 outbreaks in poultry were reported in the United States in 2004, involving farms in Delaware, Maryland, and New Jersey.
Though H7N2 is not considered a human health threat, one of the few known human cases of avian flu in the United States involved an H7N2 virus. In November 2003 a Caribbean immigrant from Yonkers, N.Y., was hospitalized with influenza, which the Centers for Disease Control and Prevention (CDC) later identified as H7N2. Health authorities were puzzled by the case because the man had had no known contact with birds.:tiphat: http://www.cidrap.umn.edu/cidrap/content/influenza/avianflu/news/may2407wales.html
 
Re: Bird flu outbreak in North Wales: H7N2

my concern is where did these birds originate from.........?,the person who delivered them to the farm and there birds i hope they are being checked.
 
Re: Bird flu outbreak in North Wales: H7N2

British authorities identify 4 human cases of bird flu

<!-- /kicker & headline --><!-- subhead --><!-- /subhead --><!-- byline -->
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The Associated Press
Published: May 25, 2007
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<!-- /article tools - narrow (used with span photos) --><!-- copy -->LONDON: Four people have tested positive for a mild strain of bird flu, British authorities said Friday.
The cases ? which are not the feared H5N1 strain, but the less dangerous H7N2 subtype ? were reported after poultry died at a small farm in north Wales. Tests were performed on nine people associated with the farm, and the Health Protection Agency said in a news release that four people had tested positive for the H7N2 strain of the virus.
Three of the nine were hospitalized, but have since been discharged, the agency said.
The H7 subtype of bird flu is believed to be less virulent than H5, but it has in the past caused human cases, and was responsible for a large outbreak in the Netherlands. In that outbreak in 2003, there were 89 mild cases of H7N7, and one person died.
Most of the cases in the Netherlands were conjunctivitis, a mild eye infection.
<!-- sidebar --><!-- today in links -->Today in Europe <!-- /170 x 60 ad -->
<!-- /sidebar -->"The mortality rate of H7 viruses is not on the order of H5N1," said Dr. Michael Perdue, a World Health Organization bird flu expert. Experts estimate that nearly half or more of all people who contract H5N1 die.
While H7 viruses tend to cause milder illnesses in humans, they still have the potential to ignite a global flu outbreak and should be watched.
"A low pathogenic H7 virus might not be picked up as easily as a highly pathogenic virus," said Perdue, explaining that the mild symptoms of a H7 case might be mistaken for ordinary flu, causing experts to lose valuable time tracking an emerging pandemic.
Like all flu viruses, H7 evolves constantly. Other bird flu subtypes have also caused illnesses in humans. Surveillance in Europe for all bird flu viruses has greatly increased in recent years.
While global health experts have been focused on H5N1 as the strain most likely to cause the next flu pandemic, it is also possible that another subtype, such as H7, could ultimately be responsible. "I'd hate to predict anything with bird flu," said Perdue.
The farm came to the attention of British authorities after a number of chickens died.
Dr. Christianne Glossop, the chief veterinary officer for Wales, said in a statement that they had tested positive for H7N2.
A one-kilometer (1.6-mile) exclusion zone was put in place around the farm, and the remaining chickens have been slaughtered.

​

 
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Re: Bird flu outbreak in North Wales: H7N2

I'm taking bets that the H7N2 in England has M230I. I will give 2-1 odds.
 
Re: Bird flu outbreak in North Wales: H7N2

just a couple of questions if this was low path how come all the birds died,does low path kill every bird it infects.

what significance does m2301 have in the virus.





and could this virus mix with H5N1,and become a pandemic strain........?
 
Re: Bird flu outbreak in North Wales: H7N2

vinny said:
just a couple of questions if this was low path how come all the birds died,does low path kill every bird it infects.

what significance does m2301 have in the virus.





and could this virus mix with H5N1,and become a pandemic strain........?
Click to expand...
M230I is in all three versions of human influenza (H3N2, H1N1, Influenza B). Human influenza is efficiently transmitted H2H. All H5N1 patients in Egypt with M230I died, including the three members of the Gharbiya cluster (as in efficient transmission).

M230I is also in H3N8, which is efficiently transmitted dog to dog. Dogs are mammals.
 
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