OIE: Highly pathogenic avian influenza(H5N8), United Kingdom
submited by kickingbird at Nov, 14, 2020 9:20 AM from OIE
| Information received on 12/11/2020 from Dr Christine Middlemiss, Chief Veterinary Officer, DEFRA, Department for Environment,Food and Rural Affairs , London, United Kingdom | |
|
Summary
| Report type |
Follow-up report No. 2 |
| Date of start of the event |
24/10/2020 |
| Date of confirmation of the event |
02/11/2020 |
| Report date |
12/11/2020 |
| Date submitted to OIE |
12/11/2020 |
| Reason for notification |
Recurrence of a listed disease |
| Date of previous occurrence |
06/2017 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N8 |
| Nature of diagnosis |
Laboratory (basic), Laboratory (advanced) |
| This event pertains to |
a defined zone within the country |
| Related reports |
Immediate notification (03/11/2020)
Follow-up report No. 1 (10/11/2020)
Follow-up report No. 2 (12/11/2020)
| |
|
|
| Outbreak 1 (AIV 2020/03) |
Hereford, England |
| Date of start of the outbreak |
09/11/2020 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
46000 |
6450 |
6450 |
0 |
0 | |
| Affected population |
Broiler breeder | |
| Summary of outbreaks |
Total outbreaks: 1 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
46000 |
6450 |
6450 |
0 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
14.02% |
14.02% |
100.00% |
14.02% | |
| *Removed from the susceptible population through death, destruction and/or slaughter | |
|
Epidemiology
| Source of the outbreak(s) or origin of infection |
- Contact with wild species
|
| Epidemiological comments |
Epidemiological investigation is ongoing | |
|
|
Control measures
| Measures applied |
- Movement control inside the country
- Surveillance outside containment and/or protection zone
- Surveillance within containment and/or protection zone
- Official destruction of animal products
- Official disposal of carcasses, by-products and waste
- Stamping out
- Zoning
- Disinfection
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
| |
|
Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| Animal and Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) |
Birds |
gene sequencing |
12/11/2020 |
Positive |
| Animal and Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) |
Birds |
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) |
10/11/2020 |
Positive |
| Animal and Plant Health Agency (APHA), Weybridge (OIE Reference Laboratory) |
Birds |
reverse transcription - polymerase chain reaction (RT-PCR) |
11/11/2020 |
Positive | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | |
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