OIE: Highly pathogenic avian influenza,Myanmar
Information received on 29/02/2012 from Prof. Dr Myint Thein , Director General, Livestock Breeding and Veterinary Department , Ministry of Livestock & Fisheries , YANGOON , Myanmar
Summary
| Report type |
Immediate notification |
| Start date |
20/02/2012 |
| Date of first confirmation of the event |
24/02/2012 |
| Report date |
28/02/2012 |
| Date submitted to OIE |
29/02/2012 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
14/04/2011 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N1 |
| Nature of diagnosis |
Clinical, Laboratory (basic), Laboratory (advanced), Necropsy |
| This event pertains to |
a defined zone within the country |
New outbreaks
| Outbreak 1 (10317) |
Myothit Quarter, Chaung U, Monywa, SAGAING |
| Date of start of the outbreak |
20/02/2012 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
1060 |
61 |
61 |
999 |
0 | |
| Affected Population |
Layers |
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
5.75% |
5.75% |
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 |
|
| Epidemiological comments |
5-month and 18-month-old layer chickens in two establishments, with a total of 1,060 chickens. A few chickens were found dead on 20 February 2012. A total of 61 chickens died within 4 days. There are 40,000 chickens reared in 139 farms in Chaung U towship. All are layers and broilers of different ages. |
Control measures
| Measures applied |
- Stamping out
- Quarantine
- Movement control inside the country
- Zoning
- Disinfection of infected premises/establishment(s)
- Dipping / Spraying
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
|
Diagnostic test results
| Laboratory name and type |
Regional Veterinary Diagnostic Laboratory, Mandalay (Local laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
polymerase chain reaction (PCR) |
24/02/2012 |
Positive |
| Birds |
rapid tests |
24/02/2012 |
Positive | |
| Laboratory name and type |
Central Veterinary Diagnostic Laboratory, Yangon (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
real-time PCR |
26/02/2012 |
Positive | |
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. |