영국정부 환경,식품,농촌지역부(DEFRA) 최고위직 수의사(CVO) 기븐스 박사(Dr Nigel Gibbens)가 국제수역사무국(OIE)에 보고한 영국 북아일랜드 그린힐(Greenhill) 양돈장에서  INFLUENZA PANDEMIC (H1N1) 2009 발생 보고

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Archive Number
20090918.3280
Published Date
18-SEP-2009
Subject
PRO/AH/EDR> Influenza pandemic (H1N1) 2009, animal (09): UK (NI) swine, OIE





















INFLUENZA PANDEMIC (H1N1) 2009, ANIMAL (09): UK (NORTHERN IRELAND) SWINE, OIE

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A ProMED-mail post

http://www.promedmail.org>

ProMED-mail is a program of the

International Society for Infectious Diseases

http://www.isid.org>

Date: 18 Sep 2009

From: OIE WAHID Disease Information 2009; 22(39) [edited]

<http://www.oie.int/wahis/public.php?page=weekly_report_index&admin=0>

Pandemic Influenza A H1N1 (2009), United Kingdom

————————————————

Information received on 18 Sep 2009 from Dr Nigel Gibbens, Chief

Veterinary Officer, Department for Environment, Food and Rural

Affairs, Department for Environment, Food and Rural Affairs, LONDON,

United Kingdom
Summary

Report type: Immediate notification

Start date 01 Sep 2009

Date of 1st confirmation of the event 16 Sep 2009

Report date 18 Sep 2009

Date submitted to OIE 18 Sep 2009

Reason for notification: Emerging disease

Morbidity 90 percent

Mortality 0.1 percent

Zoonotic impact: Refer to OIE guidance/opinion

Causal agent: Pandemic H1N1 virus (2009)

Serotype Other

This event pertains to the whole country
New outbreaks

Outbreak 1 Greenhill, NORTHERN IRELAND

Date of start of the outbreak 01 Sep 2009

Outbreak status: Continuing (or date resolved not provided)

Epidemiological unit: Farm
Species Swine

Susceptible 5000

Cases 4500

Deaths 5

Destroyed  0

Slaughtered 0
Affected Population Birth to bacon pig unit of approximately 5000 pigs

(600 sows). Finishing pigs showing clinical signs 1st (1 Sep 2009).

Clinical signs being shown by the rest of the pigs within 3-4 days.

About 7 Sep 2009, farrowing sows showed a reduction in appetite and

gradually recovered in a few days. Only recently weaned pigs are

currently showing signs of disease (coughing).
Summary of outbreaks Total outbreaks: 1

Outbreak statistics

Species Swine

Apparent morbidity rate 90.00 percent

Apparent mortality rate 0.10 percent

Apparent case fatality rate 0.11 percent

Proportion susceptible animals lost* 0.10 percent

* Removed from the susceptible population through death, destruction

and/or slaughter
Epidemiology

Source of the outbreak(s) or origin of infection.  Unknown or inconclusive
Epidemiological comments: Closed unit. All animals leaving the unit go

for slaughter. Only gilts are brought onto the unit.
No known cases of human flu are currently associated with this outbreak.
Control measures

Measures applied. No vaccination. Treatment of affected animals (Oral

antibiotics)

Measures to be applied. No other measures
Diagnostic test results

Laboratory name and type Veterinary Sciences Division, Stormont,

Northern Ireland (National laboratory)
Species Swine

Test real-time PCR

Test date 16 Sep 2009

Result Positive
Laboratory name and type Veterinary Laboratories Agency, Weybridge

(OIE’s Reference Laboratory)
Species Swine

Test gene sequencing

Test date 17 Sep 2009

Result Positive
Species Swine

Test polymerase chain reaction (PCR)

Test date 17 Sep 2009

Result Positive
Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.
–

Communicated by:

ProMED-mail

promed@promedmail.org>

[The pattern of this outbreak in the swine herd is exactly what we

would expect in a typical influenza incursion into a highly

susceptible, non-vaccinated swine herd. This picture of high

morbidity, very low mortality and low case fatality is not surprising.

Influenza in swine causes widespread disease but is of minor

importance because the pigs get sick and readily recover in most

cases. It is not as important a pathogen as those causing high

mortality disease.
What is critically important in this situation is good outbreak

investigation to develop a better understanding of how the pigs picked

up this virus. Hopefully, thorough outbreak investigation will help

determine potential exposures of the pigs and whether this is another

instance of the virus travelling from humans, in a reverse fashion,

over the zoonotic bridge to infect swine. - Mod.PC]
[The interactive HealthMap/ProMED map for Northern Ireland is available at:

<http://healthmap.org/r/00PR> - CopyEd.EJP]

[see also:

Influenza pandemic (H1N1) 2009, animal health (08): Singapore, swine

20090904.3114

Influenza pandemic (H1N1) 2009, animal health (07): Chile, avian

20090829.3036

Influenza pandemic (H1N1) 2009, animal health (06): Canada, swine

20090828.3027

Influenza pandemic (H1N1) 2009, animal health (05): Austr., swine

20090826.2999

Influenza pandemic (H1N1) 2009, animal health (04): Chile, avian, OIE

20090823.2978

Influenza pandemic (H1N1) 2009, animal health (03): Chile, avian, RFI

20090821.2961

Influenza pandemic (H1N1) 2009, animal health (02): Austr., swine

20090820.2951

Influenza pandemic (H1N1) 2009, animal health: Canada (QC)  20090729.2661

Influenza A (H1N1): animal health (17), Argentina, OIE  20090703.2401

Influenza A (H1N1): animal health (16), Argentina, swine, OIE  20090626.2322

Influenza A (H1N1): animal health (14), EU preparedness, Egypt  20090615.2220

Influenza A (H1N1): animal health (13) swine, Canada, origin, RFI

20090615.2215

Influenza A (H1N1): animal health (12) swine trial inf.  20090605.2088

Influenza A (H1N1): animal health (11) swine trial inf.  20090604.2067

Influenza A (H1N1): animal health (10) swine, Canada, cull  20090514.1813

Influenza A (H1N1): animal health (09), swine, Canada  20090513.1790

Influenza A (H1N1): animal health (08), food safety, FAO/OIE/WHO

20090507.1710

Influenza A (H1N1): animal health (07), swine, Canada, OIE  20090506.1691

Influenza A (H1N1): animal health (06), Canada, OIE  20090505.1683

Influenza A (H1N1): animal health (05), swine, Canada, FAO  20090505.1680

Influenza pandemic (H1N1) 2009 (22): Australia (NSW), swine  20090801.2698

Influenza pandemic (H1N1) 2009, animal health: Canada (QC)  20090729.2661

Influenza pandemic (H1N1) 2009 (09): UK, pig stockman  20090718.2560

Influenza A (H1N1) – worldwide (80): Argentina, human to pig  20090701.2376

Influenza A (H1N1): animal health (08), food safety, FAO/OIE/WHO

20090507.1710

………………..pc/ejp/jw

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Sept. 19 (Bloomberg) — Coughing hogs at a 5,000-head piggery in Northern Island are being investigated to determine how they became the latest animal victims of swine flu.

The pandemic H1N1 influenza strain infected about 4,500 hogs at the piggery in Greenhill, U.K. veterinary officials said in a report to the World Organization for Animal Health yesterday. Five pigs died in the outbreak, first noticed Sept. 1, when some of the animals began coughing and lost their appetite.

Chief Veterinary Officer Nigel Gibbens said no known cases of human flu have been linked with the outbreak, which resembles infections in pigs in Canada, Australia and Argentina that have usually caused a mild illness from which swine recover in days. Preventing H1N1 in pigs is important, as they can act as a mixing vessel for flu viruses because they are susceptible to both mammalian and avian influenza strains.

“What is critically important in this situation is good outbreak investigation to develop a better understanding of how the pigs picked up this virus,” the International Society for Infectious Diseases said in a report via its ProMED-mail program. Such a probe “will help determine potential exposures of the pigs and whether this is another instance of the virus traveling from humans, in a reverse fashion, over the zoonotic bridge to infect swine.”

The new H1N1 flu strain, discovered in Mexico and the U.S. in April, has swept across 177 countries in four months. The virus has genetic material from pig, bird and human influenza strains. More is of pig origin, prompting the reference to “swine flu.” The World Health Organization is now referring to the virus as the pandemic (H1N1) 2009 virus.

Bad Press

U.S. Agriculture Secretary Tom Vilsack appealed to the news media on Sept. 10 to stop calling the H1N1 virus swine flu, saying the term hurts sales of pork and adds to losses for hog farmers. The H1N1 virus is not transmitted through properly handled pork, the WHO and other authorities have said.

Countries including China and Russia banned some U.S. pork after the virus began making headlines in April. Russia, the fourth-largest importer of U.S. pork in 2008, lifted most restrictions in July.

About 64 percent of Chinese consumers stopped eating pork during the early stages of the pandemic, and 21 percent still consider the meat dangerous, according to a survey commissioned by the Denver-based U.S. Meat Export Federation.

To contact the reporter on this story: Jason Gale in Singapore at j.gale@bloomberg.net.