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Highly pathogenic avian influenza, Vietnam
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Information received on 09/02/2020 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health,
Ministry of Agriculture and Rural
Development, Hanoļ, Vietnam
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Summary
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Outbreak 1 |
Tan Khang, Tan Khang, Nong Cong, Thanh Hoa |
Date of start of the outbreak |
03/02/2020 |
Outbreak status |
Resolved (03/03/2020) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
12294 |
375 |
375 |
11919 |
0 |
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Outbreak 2 |
Quang Truong, Quang Truong, Quang Xuong, Thanh Hoa |
Date of start of the outbreak |
04/02/2020 |
Outbreak status |
Resolved (04/03/2020) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
3280 |
800 |
800 |
2480 |
0 |
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Outbreak 3 |
Quynh Hong, Quynh Hong, Quynh Luu, Nghe An |
Date of start of the outbreak |
07/02/2020 |
Outbreak status |
Resolved (07/03/2020) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
231 |
105 |
105 |
126 |
0 |
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Summary of outbreaks |
Total outbreaks: 3 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
15805 |
1280 |
1280 |
14525 |
0 |
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Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Birds |
8.10% |
8.10% |
100.00% |
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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Surveillance outside containment and/or protection zone
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Stamping out
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Disinfection
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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 |
Regional Animal Health Office 3 (Regional Laboratory) |
Birds |
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) |
07/02/2020 |
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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