Highly pathogenic avian influenza, Bhutan (WAHID Interface - OIE World Animal Health Information Database, 3/25/10, edited)

[Giuseppe]

Highly pathogenic avian influenza, Bhutan (WAHID Interface - OIE World Animal Health Information Database, 3/25/10, edited)

[Source OIE, <cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=9078">WAHID Interface - OIE World Animal Health Information Database</cite>. Edited.]

Highly pathogenic avian influenza, Bhutan

Information received on 25/03/2010 from Mr Tenzin Dhendup, Director, Ministry of Agriculture, Department of Livestock, THIMPHU, Bhutan

• Summary
  • Report type Follow-up report No. 3
  • Start date 18/02/2010
  • Date of first confirmation of the event 22/02/2010
  • Report date 25/03/2010
  • Date submitted to OIE 25/03/2010
  • 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 (23/02/2010)
    • Follow-up report No. 1 (02/03/2010)
    • Follow-up report No. 2 (15/03/2010)
    • Follow-up report No. 3 (25/03/2010)

• New outbreaks
  • Outbreak 1 (BHT_HPAI_06) - Burkhey, Samphelling, Chukha, CHHUKHA
    • Date of start of the outbreak 14/03/2010
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Village
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds - 1371 - 2 - 2 - 1369 - 0
      • Affected Population Free-range village chickens in a village not accessible by motorable road.

• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 0.15% - 0.15% - 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
    • Illegal movement of animals
    • Fomites (humans, vehicles, feed, etc.)

• Epidemiological comments
  • The clinical signs and gross lesions are consistent with highly pathogenic avian influenza. The rapid field test shows positive for influenza A and H5.

• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Disinfection of infected premises/establishment(s)
    • Dipping / Spraying
    • Vaccination prohibited
    • No treatment of affected animals
  • Measures to be applied
    • No other measures

• Diagnostic test results
  • Laboratory name and type National Centre for Animal Health (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - real-time PCR - 19/03/2010 - Positive

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

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