OIE: Highly pathogenic avian influenza, United Kingdom
submited by kickingbird at Nov, 15, 2007 8:30 AM from OIE
Information received on 13/11/2007 from Dr Debby Reynolds, Director General & Chief Veterinary Officer, Department for Environment, Food and Rural Affairs (DEFRA), Director General for Animal Health & Welfare, London, United Kingdom
Summary
| Report type |
Immediate notification |
| Start date |
11/11/2007 |
| Date of confirmation of event |
13/11/2007 |
| Report date |
13/11/2007 |
| Date submitted to OIE |
13/11/2007 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
25/06/2007 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N1 |
| Nature of diagnosis |
Laboratory (advanced) |
| Report pertains to |
Entire country |
New outbreaks
| Outbreak 1 (AI 2007/1) |
Redgrave, ENGLAND |
| Date of start of outbreak |
11/11/2007 |
| Outbreak status |
Continuing (or date resolved not submitted) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
6500 |
350 |
200 |
6300 |
0 | |
| Affected population |
a free range turkey flock (5000 birds) affected. These, and all remaining poultry (1000 ducks and 500 geese) are being killed on site and rendered. |
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible removed* |
| Birds |
5.38% |
3.08% |
57.14% |
100.00% | * Removed from the susceptible population either through death, destruction or slaughter |
Epidemiology
| Source of infection |
|
| Epidemiological comments |
Epidemiological inquiry is underway. Control zones established. Vaccination in poultry is prohibited, vaccination is permitted in zoo birds subject to stricts controls in accordance with EU rules |
Control measures
| Measures already applied |
- Movement control inside the country
- Screening
- Disinfection of infected premises/establishment(s)
- Quarantine
- Stamping out
- Zoning
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
|
Diagnostic test results
| Laboratory name and type |
Veterinary Laboratories Agency, Weybridge (OIE’s Reference Laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
real-time PCR |
13/11/2007 |
Positive | |
| Laboratory name and type |
VLA, Weybridge (OIE’s Reference Laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
haemagglutination inhibition test (HIT) |
13/11/2007 |
Positive |
| Birds |
neuraminidase inhibition assay |
13/11/2007 |
Positive |
| Birds |
virus isolation |
13/11/2007 |
Positive |
| Birds |
virus sequencing |
13/11/2007 |
Positive | |
Map of outbreak locations
| Location of current outbreaks |
|
