OIE: Highly pathogenic avian influenza, Myanmar
Information received on 18/01/2011 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 |
06/01/2011 |
| Date of first confirmation of the event |
16/01/2011 |
| Report date |
18/01/2011 |
| Date submitted to OIE |
18/01/2011 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
26/03/2010 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5 |
| Nature of diagnosis |
Clinical, Laboratory (basic), Laboratory (advanced), Necropsy |
| This event pertains to |
a defined zone within the country |
New outbreaks
| Summary of outbreaks |
Total outbreaks: 1 |
| Location(s) |
- RAKHINE STATE (Bumay-Letthamar village, Sittwe , Sittwe )
|
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
800 |
500 |
500 |
300 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
62.50% |
62.50% |
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 |
The layer chickens were 3 months old. There were a total of 800 chickens. Chicken deaths started from 6 January and a total of 500 chickens died. HPAI virus was detected by PCR. There are 8 farms in this village with a total of 5,000 chickens. All are layer chickens of different ages. |
Control measures
| Measures applied |
- Stamping out
- Quarantine
- Movement control inside the country
- Disinfection of infected premises/establishment(s)
- Dipping / Spraying
- No vaccination
- No treatment of affected animals
|
| Measures to be applied |
|
Diagnostic test results
| Laboratory name and type |
Central Veterinary Diagnostic Laboratory, Yangon (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
polymerase chain reaction (PCR) |
16/01/2011 |
Positive |
| Birds |
rapid tests |
16/01/2011 |
Positive | |
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. |