OIE: Highly pathogenic avian influenza, Pakistan
Information received on 07/02/2007 from Dr R. H. Usmani, Animal Husbandry Commissioner/CVO Government of Pakistan, Livestock Wing , Ministry of Food, Agriculture and Livestock, Islamabad , Pakistan
Summary
Report type |
Immediate notification |
Start date |
01/02/2007 |
Date of confirmation of event |
04/02/2007 |
Report date |
07/02/2007 |
Date submitted to OIE |
07/02/2007 |
Reason for notification |
Reoccurrence of listed disease |
Date of previous occurrence |
07/2006 |
Manifestation of disease |
Clinical disease |
Causal agent |
Highly pathogenic avian influenza virus |
Serotype |
H5N1 |
Nature of diagnosis |
Laboratory (advanced), Necropsy |
Report pertains to |
Entire country |
New Outbreaks
Summary of outbreaks |
Total outbreaks: 2 |
Outbreak Location |
- NORTH-WEST FRONTIER (Lohar Banda, Manshera, Abbottabad
- PUNJAB (Roomilane, Rawalpindi)
|
Total animals affected |
Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
Birds |
227 |
120 |
118 |
109 |
0 |
|
Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible removed* |
Birds |
52.86% |
51.98% |
98.33% |
100.00% | * Removed from the susceptible population either through death, destruction or slaughter |
Epidemiology
Source of infection |
- Introduction of new live animals
|
Control measures
Measures already applied |
- Screening
- Disinfection of infected premises/establishment(s)
- Quarantine
- Stamping out
- Vaccination permitted
- No treatment of affected animals
|
Measures to be applied |
- Vaccination in response to the outbreak (s)
- Zoning
|
Diagnostic test results
Laboratory name and type |
National Animal Sciences Institute, National Agricultural Research Centre, Islamabad (National laboratory) |
Tests and results |
Species |
Test |
Test date |
Result |
Birds |
agar-gel immunodiffusion (AGID) |
04/02/2007 |
Positive |
Birds |
haemagglutination (HA) test |
04/02/2007 |
Positive |
Birds |
haemagglutination inhibition test (HIT) |
04/02/2007 |
Positive |
Birds |
rapid tests |
04/02/2007 |
Positive |
Birds |
reverse transcription – polymerase chain reaction (RT-PCR) |
04/02/2007 |
Positive |
Birds |
virus isolation |
04/02/2007 |
Positive |
Birds |
virus neutralisation test (VNT) |
04/02/2007 |
Positive | |