Re: Pakistan: Poultry outbreaks Nov 26th+
Update, OIE, WAHID system:
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-=Highly pathogenic avian influenza, Pakistan=-
Information received on 12/12/2007 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. 8
Start date *01/02/2007
Date of confirmation of event *04/02/2007
Report date *12/12/2007
Date submitted to OIE *12/12/2007
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)
Follow-up report No. 7 (22/11/2007)
Follow-up report No. 8 (12/12/2007)
-=New outbreaks=-
*Outbreak 1 - Manga, Murree, PUNJAB
Date of start of outbreak *27/11/2007
Outbreak status Continuing (or date resolved not submitted)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
*Birds - 18000 - 8000 - 8000 - 10000 - 0
Affected population: a commercial 23-day-old broiler flock
-=Outbreak 2 M/S Termain, Beffa Doraha village,
Abbottabad, NORTH-WEST FRONTIER=-
Date of start of outbreak *28/11/2007
Outbreak status Continuing (or date resolved not submitted)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
*Birds - 13457 - 11657 - 11657 - 1800 - 0
Affected population: 44-week-old commercial broiler breeder flock
Summary of outbreaks Total outbreaks: 2
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
*Birds - 31457 - 19657 - 19657 - 11800 - 0
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible removed*
*Birds - 62.49% - 62.49% - 100.00% - 100.00%
* Removed from the susceptible population either through death, destruction or slaughter
-=Epidemiology=-
Source of infection Contact with wild Species
Epidemiological comments Culling and disposal of birds were carried out under the supervision of a State veterinarian.
All the infected premises of the affected farms were disinfected on 1 and 2 December 2007. The premises were closed for one month.
Ring vaccination with an H5 inactivated monovalent vaccine in a 3-km-radius zone around the outbreak is ongoing.
-=Control measures=-
Measures already applied Stamping out
Quarantine
Screening
Disinfection of infected premises/establishment(s)
Vaccination permitted
No treatment of affected animals
Measures to be applied Zoning
Vaccination in response to the outbreak (s)
-=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) - 30/11/2007 - Positive
*Birds - haemagglutination (HA) test - 30/11/2007 - Positive
*Birds - haemagglutination inhibition test (HIT) - 30/11/2007 - Positive
*Birds - rapid tests - 30/11/2007 - Positive
*Birds - reverse transcription ? polymerase chain reaction (RT-PCR) - 30/11/2007 - Positive
*Birds - virus isolation - 30/11/2007 - Positive
*Birds - virus neutralisation test (VNT) - 30/11/2007 - Positive
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http://www.oie.int/wahid-prod/public.php?page=single_report&pop=1&reportid=6589
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