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Highly pathogenic avian influenza, China (People's Rep. of)
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Information received on 24/03/2017 from Dr Zhang Zhongqui, Director General , China Animal Disease Control Centre,
Veterinary Bureau, Ministry of Agriculture, Beijing, China (People's Rep. of)
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Summary
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Outbreak 1 |
Yongzhou, Dongan, Hunan |
Date of start of the outbreak |
19/03/2017 |
Outbreak status |
Resolved (25/08/2017) |
Epidemiological unit |
Farm |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
189676 |
29760 |
18497 |
171179 |
0 |
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Affected population |
The event was observed in local layer farm by active surveillance. |
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Summary of outbreaks |
Total outbreaks: 1 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
189676 |
29760 |
18497 |
171179 |
0 |
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Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Birds |
15.69% |
9.75% |
62.15% |
100.00% |
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*Removed from the susceptible population through death, destruction and/or slaughter |
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Epidemiology
Source of the outbreak(s) or origin of infection |
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Control measures
Measures applied |
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Movement control inside the country
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Screening
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Disinfection
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Stamping out
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Vaccination permitted (if a vaccine exists)
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No treatment of affected animals
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Measures to be applied |
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Diagnostic test results
Laboratory name and type |
Species |
Test |
Test date |
Result |
Harbin National Reference Lab for Avian Influenza (OIE Reference Laboratory) |
Birds |
virus sequencing |
24/03/2017 |
Positive |
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Future Reporting
The event is continuing. Weekly follow-up reports will be submitted. |
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Map of outbreak locations
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