Highly pathogenic avian influenza, Bangladesh (WAHID Interface - OIE World Animal Health Information Database, 2/1/10, edited)

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Highly pathogenic avian influenza, Bangladesh (WAHID Interface - OIE World Animal Health Information Database, 2/1/10, edited)

Highly pathogenic avian influenza, Bangladesh

Information received on from Dr Habibur Rahman, Director General, Department of Livestock Services, Ministry of Fisheries and Livestock , DHAKA, Bangladesh

• Summary
  • Report type Follow-up report No. 22
  • Start date 05/02/2007
  • Date of first confirmation of the event 22/03/2007
  • Report date 31/01/2010
  • Date submitted to OIE ...
  • 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)

• New outbreaks
  • Outbreak 1 - Lata poultry farm, Ranigram, Sirajgonj Sadar, Sirajgonj, RAJSHAHI
    • Date of start of the outbreak 25/01/2010
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds - 3000 - 1200 - 1200 - 1800 - 0
      • Affected Population a commercial layer farm
  • Outbreak 2 - Lata poultry farm, Khetlal Fakirpara, Joypurhat, RAJSHAHI
    • Date of start of the outbreak 23/01/2010
    • Outbreak status Resolved (24/01/2010)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds - 681 - 150 - 150 - 531 - 0
      • Affected Population a commercial layer farm

• Summary of outbreaks
  • Total outbreaks: 2
  • Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
    • Birds - 3681 - 1350 - 1350 - 2331 - 0
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 36.67% - 36.67% - 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, Dhaka (national reference laboratory) (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 26/01/2010 - Positive
      • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 27/01/2010 - Positive
  • Laboratory name and type Central Disease Investigation Laboratory, Dhaka (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - rapid tests - 26/01/2010 - Positive
  • Laboratory name and type Field Disease Investigation Laboratory, Joypurhat (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - rapid tests - 24/01/2010 - Positive

• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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<cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8906" >WAHID Interface - OIE World Animal Health Information Database</cite>