OIE: Pandemic Influenza A H1N1 (2009),United Kingdom

OIE: Pandemic Influenza A H1N1 (2009),United Kingdom
submited by kickingbird at Sep, 20, 2009 13:41 PM from OIE

Information received on 18/09/2009 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	01/09/2009
Date of first confirmation of the event	16/09/2009
Report date	18/09/2009
Date submitted to OIE	18/09/2009
Reason for notification	Emerging disease
Morbidity	90 %
Mortality	0.1 %
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

01/09/2009

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Swine	5000	4500	5	0	0

Affected Population

Birth to bacon pig unit of approximately 5,000 pigs (600 sows). Finishing pigs showing clinical signs first (1 September 2009). Clinical signs being shown by the rest of the pigs within 3-4 days. About 7 September 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	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Swine	90.00%	0.10%	0.11%	0.10%

* 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)

Tests and results

Species	Test	Test date	Result
Swine	real-time PCR	16/09/2009	Positive

Laboratory name and type

Veterinary Laboratories Agency, Weybridge (OIE’s Reference Laboratory)

Tests and results

Species	Test	Test date	Result
Swine	gene sequencing	17/09/2009	Positive
Swine	polymerase chain reaction (PCR)	17/09/2009	Positive

Future Reporting

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

Map of outbreak locations

Location of current outbreaks

See Also:

http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8451

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