Summary
| Report type |
Immediate notification |
| Start date |
06/04/2007 |
| Date of confirmation of event |
10/04/2007 |
| Report date |
12/04/2007 |
| Date submitted to OIE |
12/04/2007 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
05/09/2006 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N1 |
| Nature of diagnosis |
Suspicion, Clinical, Laboratory (advanced) |
| Report pertains to |
Entire country |
New outbreaks
| Outbreak 1 |
Laork, Kreak, Ponhea Kreak, KG. CHAM |
| Date of start of outbreak |
06/04/2007 |
| Outbreak status |
Continuing (or date resolved not submitted) |
| Epidemiological unit |
Village |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
1086 |
302 |
302 |
784 |
0 | |
| Affected population |
backyard poultry (chickens and ducks) in one village (5 households) |
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible removed* |
| Birds |
27.81% |
27.81% |
100.00% |
100.00% | * Removed from the susceptible population either through death, destruction or slaughter |
Epidemiology
| Source of infection |
- Unknown or inconclusive
- Under investigation
|
| Epidemiological comments |
Stamping out was undertaken on 11 April 2007. Surveillance in the villages around the outbreak is ongoing. |
Control measures
| Measures already applied |
- Movement control inside the country
- Screening
- Disinfection of infected premises/establishment(s)
- Stamping out
- Vaccination permitted
- No treatment of affected animals
|
| Measures to be applied |
|
Diagnostic test results
| Laboratory name and type |
Pasteur Institute, Cambodia (Regional Reference Laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
reverse transcription – polymerase chain reaction (RT-PCR) |
10/04/2007 |
Positive |
| Birds |
pathogen isolation by egg inoculation |
10/04/2007 |
Positive | |
| Laboratory name and type |
National Animal Health and Production Investigation Center (NAHPIC) (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
pathogen isolation by egg inoculation |
07/04/2007 |
Positive |
| Birds |
reverse transcription – polymerase chain reaction (RT-PCR) |
07/04/2007 |
Positive | |
Map of outbreak locations
| Location of current outbreaks |
|
