Information received on 30/03/2007 from Mr Salehuddin Mahmud, Director General, Ministry of Fisheries and Livestock, Department of Livestock Services, DHAKA, Bangladesh
Summary
| Report type |
Immediate notification |
| Start date |
05/02/2007 |
| Date of confirmation of event |
22/03/2007 |
| Report date |
30/03/2007 |
| Date submitted to OIE |
30/03/2007 |
| Reason for notification |
First occurrence of a listed disease |
| 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 |
Entire country |
New outbreaks
| Summary of outbreaks |
Total outbreaks: 3 |
| Outbreak Location |
- DHAKA DIV (Biman poultry complex, Savar, Dhaka; Bellal poultry farm, Sharishabari, Jamalpur; Naz poultry farm, Sharishabari, Jamalpur)
|
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
35800 |
12023 |
12023 |
23777 |
0 |
|
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible removed* |
| Birds |
33.58% |
33.58% |
100.00% |
100.00% | * Removed from the susceptible population either through death, destruction or slaughter |
Epidemiology
| Source of infection |
|
| Epidemiological comments |
Movement control was implemented within a 10-km-radius zone around the outbreaks. |
Control measures
| Measures already applied |
- Movement control inside the country
- Disinfection of infected premises/establishment(s)
- Stamping out
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
|
Diagnostic test results
| Laboratory name and type |
Bangladesh Livestock Research Institute (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
reverse transcription – polymerase chain reaction (RT-PCR) |
13/03/2007 |
Positive | |
| Laboratory name and type |
Central Disease Investigation Laboratory (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
rapid tests |
27/02/2007 |
Positive | |
| Laboratory name and type |
National Institute for Animal Health, Bangkok (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
real-time PCR |
21/03/2007 |
Positive |
| Birds |
virus isolation |
21/03/2007 |
Positive | |
