OIE: Highly pathogenic avian influenza (H5N1), Laos
submited by kickingbird at Nov, 17, 2020 10:2 AM from OIE
| Information received on 14/11/2020 from Dr Vilayphone Vorraphim, 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 |
16/08/2020 |
| Date of confirmation of the event |
10/11/2020 |
| Report date |
13/11/2020 |
| Date submitted to OIE |
14/11/2020 |
| Reason for notification |
Recurrence of a listed disease |
| Date of previous occurrence |
30/11/2018 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N1 |
| Nature of diagnosis |
Laboratory (advanced) |
| This event pertains to |
a defined zone within the country | |
|
|
| Outbreak 1 (HPAI-2020-o1) |
Khantharath, Saravane, Saravane |
| Date of start of the outbreak |
16/08/2020 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Village |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
237 |
47 |
47 |
0 |
0 | | |
| Outbreak 2 (HPAI-2020-o2) |
Nakhoysao, Saravane, Saravane |
| Date of start of the outbreak |
16/09/2020 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Village |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
1302 |
462 |
462 |
0 |
0 | | |
| Summary of outbreaks |
Total outbreaks: 2 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
1539 |
509 |
509 |
0 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
33.07% |
33.07% |
100.00% |
33.07% | |
| *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
- Zoning
- Disinfection
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
- Official destruction of animal products
- Official disposal of carcasses, by-products and waste
- Stamping out
| |
|
Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| National Animal Health Laboratory (National laboratory) |
Birds |
real-time PCR |
10/11/2020 |
Positive | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | |
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