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. |