| Information received on 10/08/2017 from Dr Somphanh Chanphengxay, Director General, Department of Livestock and Fisheries, Ministry of Agriculture and Forestry, Vientiane, Laos | |
|
Summary
| Report type |
Immediate notification |
| Date of start of the event |
02/07/2017 |
| Date of confirmation of the event |
12/07/2017 |
| Report date |
10/08/2017 |
| Date submitted to OIE |
10/08/2017 |
| Reason for notification |
Recurrence of a listed disease |
| Date of previous occurrence |
26/10/2016 |
| 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 | |
|
|
| Outbreak 1 |
Phiengta, Thathome, XAYSOMBOUN SPECIAL REGION |
| Date of start of the outbreak |
02/07/2017 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
2635 |
2216 |
2216 |
419 |
0 | |
| Affected population |
Ducks and hens | |
| Outbreak 2 |
Pu, Thathome, XAYSOMBOUN SPECIAL REGION |
| Date of start of the outbreak |
02/07/2017 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
3452 |
395 |
395 |
3057 |
0 | |
| Affected population |
Ducks and hens | |
| Outbreak 3 |
Hadsamkhone, Thathome, XAYSOMBOUN SPECIAL REGION |
| Date of start of the outbreak |
02/07/2017 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
2787 |
1774 |
1774 |
1013 |
0 | |
| Affected population |
Ducks and hens | |
| Outbreak 4 |
Donglankham, Sanasomboun, CHAMPASAK |
| Date of start of the outbreak |
20/07/2017 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
8800 |
8750 |
8750 |
50 |
0 | |
| Affected population |
Hens | |
| Outbreak 5 |
Nasong, Thathome, XAYSOMBOUN SPECIAL REGION |
| Date of start of the outbreak |
25/07/2017 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
1662 |
1360 |
1360 |
302 |
0 | |
| Affected population |
Ducks and hens | |
| Summary of outbreaks |
Total outbreaks: 5 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
19336 |
14495 |
14495 |
4841 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
74.96% |
74.96% |
100.00% |
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 |
- Movement control inside the country
- 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 |
| National Animal Health Laboratory (National laboratory) |
Birds |
real-time PCR |
12/07/2017 |
Positive | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | |
