Information received on 23/11/2007 from Mr U Maung Maung Nyunt, Director General, Livestock Breeding and Veterinary Department, Ministry of Livestock & Fisheries , RANGOON, Myanmar
Summary
| Report type |
Follow-up report No. 1 |
| Start date |
19/10/2007 |
| Date of confirmation of event |
19/10/2007 |
| Report date |
23/11/2007 |
| Date submitted to OIE |
23/11/2007 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
28/07/2007 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N1 |
| Nature of diagnosis |
Suspicion, Clinical, Laboratory (basic), Laboratory (advanced), Necropsy |
| Report pertains to |
Defined zone within the country |
| Related reports |
|
New outbreaks
| Outbreak 1 (OIE Ref 6377) |
Naung Ngaing, Katpha, Kyaing Tong (Shan East), SHAN STATE |
| Date of start of outbreak |
04/11/2007 |
| Outbreak status |
Continuing (or date resolved not submitted) |
| Epidemiological unit |
Village |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
2591 |
2058 |
2058 |
533 |
| |
| Affected population |
backyard poultry |
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible removed* |
| Birds |
79.43% |
79.43% |
100.00% |
100.00% | * Removed from the susceptible population either through death, destruction or slaughter |
Epidemiology
| Source of infection |
|
| Epidemiological comments |
Sporadic outbreak in localized area. It is assumed that the disease was transmitted from ducks to chickens within the village. Outbreak occurred in Naung Ngaing village, Katpha village tract (on the way of Kyaing Ton to Moingla). Control of HPAI outbreak by local authorities and Livestock Breeding and Veterinary Department (LBVD) staff. |
Control measures
| Measures already applied |
- Movement control inside the country
- Disinfection of infected premises/establishment(s)
- Dipping / Spraying
- Quarantine
- Stamping out
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
- Control of wildlife reservoirs
- Zoning
|
Diagnostic test results
| Laboratory name and type |
Kyaing Tong Diagnostic Laboratory (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
rapid tests |
18/11/2007 |
Positive | |
| Laboratory name and type |
Veterinary Diagnostic Laboratory, Yangon (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
polymerase chain reaction (PCR) |
21/11/2007 |
Positive |
| Birds |
rapid tests |
20/11/2007 |
Positive | |
Map of outbreak locations
| Location of current outbreaks |
|
