Information received on 25/02/2020 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hano?, Vietnam | |
Summary
Report type |
Follow-up report No. 1 |
Date of start of the event |
11/02/2020 |
Date of confirmation of the event |
14/02/2020 |
Report date |
25/02/2020 |
Date submitted to OIE |
25/02/2020 |
Reason for notification |
Recurrence of a listed disease |
Date of previous occurrence |
04/06/2019 |
Manifestation of disease |
Clinical disease |
Causal agent |
Highly pathogenic avian influenza virus |
Serotype |
H5N1 |
Nature of diagnosis |
Clinical, Laboratory (advanced) |
This event pertains to |
a defined zone within the country |
Related reports |
Immediate notification (17/02/2020) Follow-up report No. 1 (25/02/2020)
| |
|
Outbreak 1 |
Thanh Tuyen, Thanh Tuyen, Dau Tieng, Binh Duong |
Date of start of the outbreak |
14/02/2020 |
Outbreak status |
Continuing (or date resolved not provided) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
10400 |
6700 |
6700 |
3700 |
0 | | |
Outbreak 2 |
Ham Giang, Ham Giang, Tra Cu, Tra Vinh |
Date of start of the outbreak |
16/02/2020 |
Outbreak status |
Continuing (or date resolved not provided) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
3000 |
500 |
200 |
2800 |
0 | | |
Outbreak 3 |
Hiep Hoa, Hiep Hoa, Cau Ngang, Tra Vinh |
Date of start of the outbreak |
19/02/2020 |
Outbreak status |
Continuing (or date resolved not provided) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
300 |
100 |
100 |
200 |
0 | | |
Summary of outbreaks |
Total outbreaks: 3 |
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
Birds |
13700 |
7300 |
7000 |
6700 |
0 | |
Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
Birds |
53.28% |
51.09% |
95.89% |
100.00% | |
*Removed from the susceptible population through death, destruction and/or slaughter | |
Epidemiology
Source of the outbreak(s) or origin of infection |
| |
|
Control measures
Measures applied |
- Surveillance outside containment and/or protection zone
- Surveillance within containment and/or protection zone
- Stamping out
- Disinfection
- Vaccination permitted (if a vaccine exists)
- No treatment of affected animals
|
Measures to be applied |
| |
Diagnostic test results
Laboratory name and type |
Species |
Test |
Test date |
Result |
Regional Animal Health Office 7 (RAHO7) (Regional Laboratory) |
Birds |
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) |
14/02/2020 |
Positive | |
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted. | |