OIE: Highly pathogenic avian influenza, Japan, (Follow-up report No. 12)
submited by kickingbird at Feb, 1, 2015 14:20 PM from OIE
| Information received on 30/01/2015 from Dr Toshiro Kawashima, CVO, Animal Health Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo , Japan | |
|
Summary
|
|
|
| Outbreak 1 |
Izumi-shi, KAGOSHIMA |
| Date of start of the outbreak |
14/01/2015 |
| Outbreak status |
Resolved (19/01/2015) |
| Epidemiological unit |
Not applicable |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Mallard:Anas platyrhynchos(Anatidae) |
|
1 |
1 |
0 |
0 | |
| Affected population |
A dead Anas platyrhynchos (mallard) was found and tested. | |
| Summary of outbreaks |
Total outbreaks: 1 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Mallard:Anas platyrhynchos(Anatidae) |
|
1 |
1 |
0 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Mallard:Anas platyrhynchos(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 |
|
| Epidemiological comments |
An additional case in a wild bird: A dead Anas platyrhynchos (mallard) was collected on 14 January 2015 and tested against avian influenza virus. It was confirmed on 19 January 2015 that the bird was infected with H5N8 influenza A virus. The result of gene sequencing indicated that a HA cleavage site of the amino acid sequence was consistent with that of highly pathogenic avian influenza virus. Follow-up information on the outbreak in poultry in Yamaguchi reported in the follow-up report No.8: On 23 January 2015, the movement restriction (3km radius around the affected farm) was lifted since 21 days had passed without any new outbreaks after control measures including stamping out had been completed on 1 January 2015. Follow-up information on the outbreak in poultry in Okayama reported in the follow-up report No.10: On 23 January 2015, control measures including disinfection of the affected premises were completed. Follow-up information on the outbreak in poultry in Saga reported in the follow-up report No.11: On 20 January 2015, control measures including disinfection of the affected premises were completed. | |
|
|
Control measures
| Measures applied |
- Control of wildlife reservoirs
- Stamping out
- Quarantine
- Movement control inside the country
- Screening
- Disinfection of infected premises/establishment(s)
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
| |
|
Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| Kagoshima University (Private Laboratory) |
Mallard |
gene sequencing |
19/01/2015 |
Positive |
| Kagoshima University (Private Laboratory) |
Mallard |
reverse transcription - polymerase chain reaction (RT-PCR) |
16/01/2015 |
Positive |
| Kagoshima University (Private Laboratory) |
Mallard |
virus isolation |
16/01/2015 |
Positive | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | |
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