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