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Highly pathogenic avian influenza, Vietnam
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Information received on 01/10/2020 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 |
Nam Thanh, Nam Thanh, Yen Thanh, Nghe An |
Date of start of the outbreak |
26/08/2020 |
Outbreak status |
Resolved (26/09/2020) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
55 |
35 |
25 |
30 |
0 |
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Outbreak 2 |
Dak Rve, Dak Rve, Kon Ray, Kon Tum |
Date of start of the outbreak |
13/09/2020 |
Outbreak status |
Resolved (13/10/2020) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
1262 |
550 |
340 |
922 |
0 |
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Outbreak 3 |
Dien Lien, Dien Lien, Dien Chau, Nghe An |
Date of start of the outbreak |
24/09/2020 |
Outbreak status |
Resolved (24/10/2020) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
105 |
12 |
12 |
93 |
0 |
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Summary of outbreaks |
Total outbreaks: 3 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
1422 |
597 |
377 |
1045 |
0 |
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Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Birds |
41.98% |
26.51% |
63.15% |
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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Epidemiological comments |
Vaccination was only applied for the live poultry in surrounding areas of affected flocks. |
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Control measures
Measures applied |
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Vaccination in response to the outbreak (s)
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Surveillance outside containment and/or protection zone
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Stamping out
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No treatment of affected animals
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Measures to be applied |
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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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