OIE: Highly pathogenic avian influenza,Myanmar
Information received on 09/06/2007 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. 6 |
| Start date |
26/02/2007 |
| Date of confirmation of event |
28/02/2007 |
| Report date |
09/06/2007 |
| Date submitted to OIE |
11/06/2007 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
27/04/2006 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N1 |
| Nature of diagnosis |
Suspicion, Clinical, Laboratory (advanced), Necropsy |
| Report pertains to |
Entire country |
| Related reports |
|
New outbreaks
| Outbreak 1 |
Hanthawaddy ward, Bago, Bago, BAGO |
| Date of start of outbreak |
02/06/2007 |
| Outbreak status |
Continuing (or date resolved not submitted) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
989 |
28 |
28 |
961 |
0 | |
| Affected population |
layer poultry (battery cage) |
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible removed* |
| Birds |
2.83% |
2.83% |
100.00% |
100.00% | * Removed from the susceptible population either through death, destruction or slaughter |
Epidemiology
| Source of infection |
|
| Epidemiological comments |
During post-outbreak surveillance at risk area (Bago township), a sample from dead chicken was found positive for HPAI H5N1 in PCR test. |
Control measures
| Measures already applied |
- Movement control inside the country
- Screening
- Disinfection of infected premises/establishment(s)
- Dipping / Spraying
- Quarantine
- Modified 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 |
Veterinary Diagnostic Laboratory (Yangon) (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
polymerase chain reaction (PCR) |
05/06/2007 |
Positive |
| Birds |
rapid tests |
03/06/2007 |
Positive |
| Birds |
rapid tests |
04/06/2007 |
Negative |
| Birds |
virus isolation |
07/06/2007 |
Positive | |
Map of outbreak locations
| Location of current outbreaks |
|