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Highly pathogenic avian influenza, Bangladesh (WAHID Interface - OIE World Animal Health Information Database, 6/17/09, edited)

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  • Highly pathogenic avian influenza, Bangladesh (WAHID Interface - OIE World Animal Health Information Database, 6/17/09, edited)

    Highly pathogenic avian influenza, Bangladesh (WAHID Interface - OIE World Animal Health Information Database, 6/17/09, edited)
    Highly pathogenic avian influenza, Bangladesh

    Information received on 17/06/2009 from Dr Salehuddin Khan , Director, Department of Livestock Services, Department of Livestock Services, Dhaka, Bangladesh

    -- Summary
    Report type Follow-up report No. 18
    Start date 05/02/2007
    Date of first confirmation of the event 22/03/2007
    Report date 17/06/2009
    Date submitted to OIE 17/06/2009
    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)

    -- New outbreaks

    - Outbreak 1 - Kosha khali poultry complex, 42/1 South Rajashan, Savar, Dhaka, DHAKA

    Date of start of the outbreak 11/04/2009
    Outbreak status Resolved (15/04/2009)
    Epidemiological unit Farm
    Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
    - Birds - 2500 - 154 - 154 - 2346 - 0
    Affected population a commercial farm

    - Outbreak 2 Al-Akbar poultry farm, Pahartali, Coxes Bazar, CHITTAGONG
    Date of start of the outbreak 09/05/2009
    Outbreak status Resolved (10/05/2009)
    Epidemiological unit Farm
    Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
    - Birds - 2000 - 180 - 180 - 1820 - 0
    Affected population a commercial farm

    -- Summary of outbreaks
    Total outbreaks: 2
    Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
    - Birds - 4500 - 334 - 334 - 4166 - 0
    Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    - Birds - 7.42% - 7.42% - 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

    -- Epidemiological comments
    Movement control was implemented within a 10-km-radius zone around the outbreaks.

    -- 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) - 23/04/2009 - Positive
    - Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 17/05/2009 - Positive
    Laboratory name and type Central Disease Investigation Laboratory, Dhaka (National laboratory)
    Tests and results: Species - Test - Test date - Result
    - Birds - rapid tests - 15/04/2009 - Positive
    - Birds - rapid tests - 10/05/2009 - Positive

    -- Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    -
    <cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8203" >WAHID Interface - OIE World Animal Health Information Database</cite>
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