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Highly pathogenic avian influenza, Vietnam
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Information received on 22/08/2014 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 |
Pho Lu, Pho Lu, Bao Thang, Lao Cai |
Date of start of the outbreak |
11/08/2014 |
Outbreak status |
Resolved (01/09/2014) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
558 |
498 |
498 |
60 |
0 |
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Affected population |
Affected species: pheasant
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Summary of outbreaks |
Total outbreaks: 1 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
558 |
498 |
498 |
60 |
0 |
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Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Birds |
89.25% |
89.25% |
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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Epidemiological comments |
All poultry in affected flocks were destroyed immediately when poultry showing clinical signs of Highly Pathogenic Avian Influenza were detected.
Samples were taken from surrounding poultry flocks. All were negative for avian influenza. |
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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 / Disinfestation
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Modified stamping out
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Control of wildlife reservoirs
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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 |
National Centre for Veterinary Diagnosis (NCVD) (National laboratory) |
Birds |
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) |
21/08/2014 |
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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