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Highly pathogenic avian influenza, Bangladesh (OIE, May 12 2011): Three new H5N1 poultry outbreaks

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  • Highly pathogenic avian influenza, Bangladesh (OIE, May 12 2011): Three new H5N1 poultry outbreaks

    [Source: OIE, full text: (LINK). Extract, edited.]

    Highly pathogenic avian influenza, Bangladesh


    Information received on 12/05/2011 from Dr Aminur Rahman, Director (Animal Health & Administration), Department of Livestock Services, Ministry of Fisheries and Livestock, DHAKA, Bangladesh
    • Summary
      • Report type Follow-up report No. 33
      • Start date 05/02/2007
      • Date of first confirmation of the event 22/03/2007
      • Report date 12/05/2011
      • Date submitted to OIE 12/05/2011
      • Reason for notification First occurrence of a listed disease
      • Manifestation of disease Clinical disease
      • Causal agent Highly pathogenic avian influenza virus
      • Serotype H5N1
      • Nature of diagnosis Suspicion, Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
      • This event pertains to the whole country
      • Related reports
        • Immediate notification (30/03/2007)
        • Follow-up report No. 1 (30/04/2007)
        • Follow-up report No. 2 (24/05/2007)
        • Follow-up report No. 3 (08/07/2007)
        • Follow-up report No. 4 (17/12/2007)
        • Follow-up report No. 5 (16/03/2008)
        • Follow-up report No. 6 (24/04/2008)
        • Follow-up report No. 7 (11/06/2008)
        • Follow-up report No. 8 (20/11/2008)
        • Follow-up report No. 9 (17/12/2008)
        • Follow-up report No. 10 (06/01/2009)
        • Follow-up report No. 11 (22/01/2009)
        • Follow-up report No. 12 (29/01/2009)
        • Follow-up report No. 13 (03/02/2009)
        • Follow-up report No. 14 (10/02/2009)
        • Follow-up report No. 15 (26/02/2009)
        • Follow-up report No. 16 (12/03/2009)
        • Follow-up report No. 17 (13/04/2009)
        • Follow-up report No. 18 (17/06/2009)
        • Follow-up report No. 19 (14/07/2009)
        • Follow-up report No. 20 (20/09/2009)
        • Follow-up report No. 21 (20/01/2010)
        • Follow-up report No. 22 (31/01/2010)
        • Follow-up report No. 23 (02/03/2010)
        • Follow-up report No. 24 (25/04/2010)
        • Follow-up report No. 25 (17/06/2010)
        • Follow-up report No. 26 (10/01/2011)
        • Follow-up report No. 27 (03/02/2011)
        • Follow-up report No. 28 (13/02/2011)
        • Follow-up report No. 29 (24/02/2011)
        • Follow-up report No. 30 (06/03/2011)
        • Follow-up report No. 31 (24/03/2011)
        • Follow-up report No. 32 (21/04/2011)
        • Follow-up report No. 33 (12/05/2011)
    • New outbreaks
      • Outbreak 1 - Rabbi poultry farm, Bastumbag, Barodi, Sonargaon, Narayangonj, DHAKA
        • Date of start of the outbreak 08/05/2011
        • Outbreak status Resolved (09/05/2011)
        • Epidemiological unit Farm
        • Affected animals: Species Susceptible Cases Deaths Destroyed Slaughtered
          • Birds 4770 119 119 4651 0
          • Affected Population a commercial poultry farm
      • Outbreak 2 - Abdul Jalil poultry farm, Chandiber, Bhairab, Kishoregonj, DHAKA
        • Date of start of the outbreak 23/04/2011
        • Outbreak status Resolved (23/04/2011)
        • Epidemiological unit Farm
        • Affected animals: Species Susceptible Cases Deaths Destroyed Slaughtered
          • Birds 3000 3000 3000 0 0
          • Affected Population a commercial poultry farm
      • Outbreak 3 - Tisha poultry farm, Mandarpara, Barodi, Sonargaon, Narayangonj, DHAKA
        • Date of start of the outbreak 08/05/2011
        • Outbreak status Resolved (09/05/2011)
        • Epidemiological unit Farm
        • Affected animals: Species Susceptible Cases Deaths Destroyed Slaughtered
          • Birds 3500 65 65 3435 0
          • Affected Population a commercial poultry farm
    • Summary of outbreaks
      • Total outbreaks: 3
      • Total animals affected: Species Susceptible Cases Deaths Destroyed Slaughtered
        • Birds 11270 3184 3184 8086 0
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 28.25% - 28.25% - 100.00% - 100.00%
        • * Removed from the susceptible population through death, destruction and/or slaughter
    • Epidemiology
      • Source of the outbreak(s) or origin of infection
        • Unknown or inconclusive
    • Control measures
      • Measures applied
        • Stamping out
        • Movement control inside the country
        • Disinfection of infected premises/establishment(s)
        • Vaccination prohibited
        • No treatment of affected animals
      • Measures to be applied
        • No other measures
    • Diagnostic test results
      • Laboratory name and type Bangladesh Livestock Research Institute, Savar, Dhaka (National laboratory)
        • Tests and results: Species Test - Test date Result
          • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 24/04/2011 Positive
          • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 10/05/2011 Positive
      • Laboratory name and type Central Disease Investigation Laboratory, Dhaka (National laboratory)
        • Tests and results: Species Test - Test date Result
          • Birds - rapid tests - 23/04/2011 Positive
          • Birds - rapid tests - 09/05/2011 Positive
    • Future Reporting
      • The event is continuing. Weekly follow-up reports will be submitted.
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