Information received on 16/01/2008 from Dr Mojtaba Noorouzi, Head of Iran Veterinary Organization, Iran Veterinary Organization State, Ministry of Jihad-e-Agriculture,Iran Veterinary Organization (IVO), TEHERAN, Iran
Summary
| Report type |
Immediate notification |
| Start date |
10/12/2007 |
| Date of confirmation of event |
12/12/2007 |
| Report date |
16/01/2008 |
| Date submitted to OIE |
16/01/2008 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
02/2006 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N1 |
| Nature of diagnosis |
Clinical, Laboratory (basic), Laboratory (advanced), Necropsy |
| Report pertains to |
Defined zone within the country |
New outbreaks
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak Location |
- MAZANDARAN (Darzi Naghib, Babolsar)
|
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
489 |
14 |
14 |
475 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible removed* |
| Birds |
2.86% |
2.86% |
100.00% |
100.00% | * Removed from the susceptible population either through death, destruction or slaughter |
| Description of Affected Population |
free-range chickens (backyard) |
Epidemiology
| Source of infection |
|
| Epidemiological comments |
The event was reported according to the Iranian passive surveillance programme in place; a post-outbreak investigation to trace the source of the infection is ongoing to detect the probable spread and circulation of the virus. Active surveillance is ongoing. |
Control measures
| Measures already applied |
- Control of wildlife reservoirs
- Stamping out
- Quarantine
- Movement control inside the country
- Screening
- Zoning
- Disinfection of infected premises/establishment(s)
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
|
Diagnostic test results
| Laboratory name and type |
Iran Veterinary Organization (IVO) Central Laboratory (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
real-time PCR |
12/12/2007 |
Positive | |
| Laboratory name and type |
Istituto Zooprofilattico Sperimentale delle Venezie (IZSV), Padova (Italy) (OIE’s Reference Laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
gene sequencing |
08/01/2008 |
Positive |
| Birds |
reverse transcription – polymerase chain reaction (RT-PCR) |
08/01/2008 |
Positive | |