Information received on 23/03/2018 from Dr Kazuo Ito, Director, International Animal Health Affairs Office, Animal Health Division, Food Safety and Consumer Affairs Bureau, Ministry of Agriculture, Forestry and Fisheries, Tokyo, Japan | |
Summary
|
|
Outbreak 1 |
Itami city, Hyogo |
Date of start of the outbreak |
04/03/2018 |
Outbreak status |
Resolved (04/03/2018) |
Epidemiological unit |
Not applicable |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Large-billed Crow:Corvus macrorhynchos(Corvidae) |
|
5 |
5 |
0 |
0 | | |
Outbreak 2 |
Itami city, Hyogo |
Date of start of the outbreak |
05/03/2018 |
Outbreak status |
Resolved (05/03/2018) |
Epidemiological unit |
Not applicable |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Large-billed Crow:Corvus macrorhynchos(Corvidae) |
|
6 |
6 |
0 |
0 | | |
Outbreak 3 |
Itami city, Hyogo |
Date of start of the outbreak |
06/03/2018 |
Outbreak status |
Resolved (06/03/2018) |
Epidemiological unit |
Not applicable |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Large-billed Crow:Corvus macrorhynchos(Corvidae) |
|
6 |
6 |
0 |
0 | | |
Outbreak 4 |
Itami city, Hyogo |
Date of start of the outbreak |
07/03/2018 |
Outbreak status |
Resolved (07/03/2018) |
Epidemiological unit |
Not applicable |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Large-billed Crow:Corvus macrorhynchos(Corvidae) |
|
3 |
3 |
0 |
0 | | |
Outbreak 5 |
Itami city, Hyogo |
Date of start of the outbreak |
08/03/2018 |
Outbreak status |
Resolved (08/03/2018) |
Epidemiological unit |
Not applicable |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Large-billed Crow:Corvus macrorhynchos(Corvidae) |
|
1 |
1 |
0 |
0 | | |
Outbreak 6 |
Itami city, Hyogo |
Date of start of the outbreak |
11/03/2018 |
Outbreak status |
Resolved (11/03/2018) |
Epidemiological unit |
Not applicable |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Large-billed Crow:Corvus macrorhynchos(Corvidae) |
|
1 |
1 |
0 |
0 | | |
Outbreak 7 |
Itami city, Hyogo |
Date of start of the outbreak |
14/03/2018 |
Outbreak status |
Resolved (14/03/2018) |
Epidemiological unit |
Not applicable |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Large-billed Crow:Corvus macrorhynchos(Corvidae) |
|
1 |
1 |
0 |
0 | | |
Summary of outbreaks |
Total outbreaks: 7 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Large-billed Crow:Corvus macrorhynchos(Corvidae) |
|
23 |
23 |
0 |
0 | |
Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Large-billed Crow:Corvus macrorhynchos(Corvidae) |
** |
** |
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 |
Large-billed crows (Corvus macrorhynchos) were found dead in Itami city and tested positive for influenza A virus with rapid tests. Then confirmatory tests were carried out in Tottori University and H5N6 highly pathogenic avian influenza virus was detected in 24 samples. | |
|
Control measures
Measures applied |
- Screening
- Disinfection
- Vaccination prohibited
- No treatment of affected animals
|
Measures to be applied |
| |
Diagnostic test results
Laboratory name and type |
Species |
Test |
Test date |
Result |
Tottori University (Private Laboratory) |
Large-billed Crow |
gene sequencing |
09/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
gene sequencing |
12/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
gene sequencing |
15/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
gene sequencing |
23/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
haemagglutination (HA) test |
09/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
haemagglutination (HA) test |
12/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
haemagglutination (HA) test |
15/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
haemagglutination (HA) test |
23/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
haemagglutination inhibition test (HIT) |
09/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
haemagglutination inhibition test (HIT) |
12/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
haemagglutination inhibition test (HIT) |
15/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
haemagglutination inhibition test (HIT) |
23/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
reverse transcription - polymerase chain reaction (RT-PCR) |
09/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
reverse transcription - polymerase chain reaction (RT-PCR) |
12/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
reverse transcription - polymerase chain reaction (RT-PCR) |
15/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
reverse transcription - polymerase chain reaction (RT-PCR) |
23/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
virus isolation |
09/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
virus isolation |
12/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
virus isolation |
15/03/2018 |
Positive |
Tottori University (Private Laboratory) |
Large-billed Crow |
virus isolation |
23/03/2018 |
Positive | |
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted. | |