Highly pathogenic avian influenza, Bangladesh (OIE, September 8 2011): 4 New H5N1 Poultry Outbreaks, Khulna, Rajshahi, Dhaka

[Giuseppe]

[Source: OIE, full page: (LINK). Edited.]

Highly pathogenic avian influenza, Bangladesh


Information received on 08/09/2011 from Dr Musaddique Hossain, Director (Animal Health & Administration), Department of Livestock Services, Ministry of Fisheries and Livestock, Dhaka, Bangladesh

• Summary
  • Report type Follow-up report No. 35
  • Start date 05/02/2007
  • Date of first confirmation of the event 22/03/2007
  • Report date 08/09/2011
  • Date submitted to OIE 08/09/2011
  • 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)
    • Follow-up report No. 34 (07/07/2011)
    • Follow-up report No. 35 (08/09/2011)
• New outbreaks
  • Outbreak 1 Zahangir Alam farm, Madna, Damurhuda, Chuadanga, KHULNA
    • Date of start of the outbreak 27/08/2011
    • Outbreak status Resolved (29/08/2011)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 475 ? 20 ? 20 ? 455 ? 0
      • Affected Population a commercial poultry farm
  • Outbreak 2 Rafid poultry & hatchery LTD, Vimrulla, Sadar, Chuadanga, KHULNA
    • Date of start of the outbreak 21/08/2011
    • Outbreak status Resolved (27/08/2011)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 23090 ? 1500 ? 1500 ? 21590 ? 0
      • Affected Population a commercial poultry farm
  • Outbreak 3 Bilkis Ara farm, Nunuz, Paharpur, Badalgasi, Noagaon, RAJSHAHI
    • Date of start of the outbreak 26/08/2011
    • Outbreak status Resolved (26/08/2011)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 1800 ? 500 ? 500 ? 1300 ? 0
      • Affected Population a commercial poultry farm
  • Outbreak 4 Babul Mia farm, Nabagram, Manikgonj, DHAKA
    • Date of start of the outbreak 06/09/2011
    • Outbreak status Resolved (06/09/2011)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 550 ? 6 ? 6 ? 544 ? 0
      • Affected Population a commercial poultry farm
• Summary of outbreaks
  • Total outbreaks: 4
  • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
    • Birds ? 25915 ? 2026 ? 2026 ? 23889 ? 0
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 7.82% - 7.82% - 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) - 05/09/2011 ? Positive
      • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 08/09/2011 ? Positive
  • Laboratory name and type Central Disease Investigation Laboratory, Dhaka (National laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - rapid tests - 26/08/2011 ? Positive
  • Laboratory name and type Field Disease Investigation Laboratory, Joypurhat and Manikgonj (National laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - rapid tests - 06/09/2011 - Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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