Gert van der Hoek
In Memoriam - Editor, Senior Moderator
Highly pathogenic avian influenza, Pakistan
Information received on 06/08/2007 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 Follow-up report No. 6
Start date 01/02/2007
Date of confirmation of event 04/02/2007
Report date 06/08/2007
Date submitted to OIE 07/08/2007
Reason for notification Reoccurrence of a 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
Related reports Immediate notification (07/02/2007)
Follow-up report No. 1 (22/02/2007)
Follow-up report No. 2 (20/03/2007)
Follow-up report No. 3 (31/03/2007)
Follow-up report No. 4 (11/04/2007)
Follow-up report No. 5 (25/05/2007)
Follow-up report No. 6 (06/08/2007)
New outbreaksOutbreak 1 M/S AiliaChicks Kotli Paeem Mansehra, Mansehra, NORTH-WEST FRONTIER
Date of start of outbreak 21/07/2007
Outbreak status Continuing (or date resolved not submitted)
Epidemiological unit Farm
Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 60000 37393 22607 37393
Affected population Broiler and breeder poultry 16-weeks-old in a commercial farm.
Summary of outbreaks Total outbreaks: 1
Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible removed*
Birds 62.32% 37.68% 60.46% 100.00%
* Removed from the susceptible population either through death, destruction or slaughter
EpidemiologySource of infection Introduction of new live animals
Epidemiological comments - Culling and disposal of birds were carried out from 25 to 28 July 2007 under the supervision of State veterinarian.
- All the infected premises were disinfected on 29 and 30 July 2007. The premises were closed for one month.
- Ring vaccination in a 3-km-radius zone around the outbreak has been started.
Control measuresMeasures already applied Screening
Vaccination in response to the outbreak (s)
Disinfection of infected premises/establishment(s)
Quarantine
Stamping out
Vaccination permitted
No treatment of affected animals
Measures to be applied Zoning
Diagnostic test resultsLaboratory 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) 25/07/2007 Positive
Birds haemagglutination (HA) test 25/07/2007 Positive
Birds haemagglutination inhibition test (HIT) 25/07/2007 Positive
Birds rapid tests 25/07/2007 Positive
Birds reverse transcription – polymerase chain reaction (RT-PCR) 25/07/2007 Positive
Birds virus isolation 25/07/2007 Positive
Birds virus neutralisation test (VNT) 25/07/2007 Positive
http://www.oie.int/wahid-prod/public.php?page=single_report&pop=1&reportid=5879
Information received on 06/08/2007 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 Follow-up report No. 6
Start date 01/02/2007
Date of confirmation of event 04/02/2007
Report date 06/08/2007
Date submitted to OIE 07/08/2007
Reason for notification Reoccurrence of a 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
Related reports Immediate notification (07/02/2007)
Follow-up report No. 1 (22/02/2007)
Follow-up report No. 2 (20/03/2007)
Follow-up report No. 3 (31/03/2007)
Follow-up report No. 4 (11/04/2007)
Follow-up report No. 5 (25/05/2007)
Follow-up report No. 6 (06/08/2007)
New outbreaksOutbreak 1 M/S AiliaChicks Kotli Paeem Mansehra, Mansehra, NORTH-WEST FRONTIER
Date of start of outbreak 21/07/2007
Outbreak status Continuing (or date resolved not submitted)
Epidemiological unit Farm
Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 60000 37393 22607 37393
Affected population Broiler and breeder poultry 16-weeks-old in a commercial farm.
Summary of outbreaks Total outbreaks: 1
Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible removed*
Birds 62.32% 37.68% 60.46% 100.00%
* Removed from the susceptible population either through death, destruction or slaughter
EpidemiologySource of infection Introduction of new live animals
Epidemiological comments - Culling and disposal of birds were carried out from 25 to 28 July 2007 under the supervision of State veterinarian.
- All the infected premises were disinfected on 29 and 30 July 2007. The premises were closed for one month.
- Ring vaccination in a 3-km-radius zone around the outbreak has been started.
Control measuresMeasures already applied Screening
Vaccination in response to the outbreak (s)
Disinfection of infected premises/establishment(s)
Quarantine
Stamping out
Vaccination permitted
No treatment of affected animals
Measures to be applied Zoning
Diagnostic test resultsLaboratory 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) 25/07/2007 Positive
Birds haemagglutination (HA) test 25/07/2007 Positive
Birds haemagglutination inhibition test (HIT) 25/07/2007 Positive
Birds rapid tests 25/07/2007 Positive
Birds reverse transcription – polymerase chain reaction (RT-PCR) 25/07/2007 Positive
Birds virus isolation 25/07/2007 Positive
Birds virus neutralisation test (VNT) 25/07/2007 Positive
http://www.oie.int/wahid-prod/public.php?page=single_report&pop=1&reportid=5879
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