| Information received on 18/01/2018 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 |
Follow-up report No. 2 |
| Date of start of the event |
09/01/2018 |
| Date of confirmation of the event |
09/01/2018 |
| Report date |
17/01/2018 |
| Date submitted to OIE |
18/01/2018 |
| Reason for notification |
New strain of a listed disease in the country |
| Causal agent |
Highly pathogenic influenza A virus |
| Serotype |
H5N6 |
| Nature of diagnosis |
Clinical, Necropsy |
| This event pertains to |
a defined zone within the country |
| Related reports |
Immediate notification (10/01/2018)
Follow-up report No. 1 (15/01/2018)
Follow-up report No. 2 (17/01/2018)
| |
|
|
| Outbreak 1 (WB AIV 2018/02) |
Warwickshire, ENGLAND |
| Date of start of the outbreak |
09/01/2018 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Natural park |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Herring Gull:Larus argentatus(Laridae) |
|
1 |
1 |
0 |
0 |
| Great black-backed Gull:Larus marinus(Laridae) |
|
6 |
6 |
0 |
0 |
| Great Crested Grebe:Podiceps cristatus(Podicipedidae) |
|
1 |
1 |
0 |
0 |
| Tufted Duck:Aythya fuligula(Anatidae) |
|
5 |
5 |
0 |
0 | |
| Affected population |
68 birds were found dead. Not all birds were tested, but these are representative species. | |
| Summary of outbreaks |
Total outbreaks: 1 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Herring Gull:Larus argentatus(Laridae) |
|
1 |
1 |
0 |
0 |
| Great black-backed Gull:Larus marinus(Laridae) |
|
6 |
6 |
0 |
0 |
| Great Crested Grebe:Podiceps cristatus(Podicipedidae) |
|
1 |
1 |
0 |
0 |
| Tufted Duck:Aythya fuligula(Anatidae) |
|
5 |
5 |
0 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Herring Gull:Larus argentatus(Laridae) |
** |
** |
100.00% |
** |
| Great black-backed Gull:Larus marinus(Laridae) |
** |
** |
100.00% |
** |
| Great Crested Grebe:Podiceps cristatus(Podicipedidae) |
** |
** |
100.00% |
** |
| Tufted Duck:Aythya fuligula(Anatidae) |
** |
** |
100.00% |
** | |
| *Removed from the susceptible population through death, destruction and/or slaughter |
| **Not calculated because of missing information | |
|
Epidemiology
| Source of the outbreak(s) or origin of infection |
- Contact with wild species
|
| Epidemiological comments |
The virus is a reassortant between H5N8 HPAI circulating in Europe and a European N6. The second site relates to a large wild bird die-off at a gull roost. | |
|
|
Control measures
| Measures applied |
- Official disposal of carcasses, by-products and waste
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
| |
|
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | |