Highly pathogenic avian influenza, Bhutan (WAHID Interface - OIE World Animal Health Information Database, 3/16/10, edited)

[Giuseppe]

Highly pathogenic avian influenza, Bhutan (WAHID Interface - OIE World Animal Health Information Database, 3/16/10, edited)

[Source: OIE, <cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=9042" >WAHID Interface - OIE World Animal Health Information Database</cite>. Edited.]

Highly pathogenic avian influenza, Bhutan

Information received on 15/03/2010 from Mr Tenzin Dhendup, Director, Ministry of Agriculture, Department of Livestock, THIMPHU, Bhutan

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

• New outbreaks
  • Outbreak 1 (BHT_HPAI_03) - Toorsa, Phuentsholing, Chhukha, CHHUKHA
    • Date of start of the outbreak 25/02/2010
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Village
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds - 434 - 3 - 3 - 431 - 0
      • Affected Population Free-range village chickens
  • Outbreak 2 (BHT_HPAI_05) - Ramitey, Phuentsholing, Chhukha, CHHUKHA
    • Date of start of the outbreak 11/03/2010
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Village
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds - 53 - 2 - 2 - 51 - 0
      • Affected Population Free-range village chickens

• Summary of outbreaks
  • Total outbreaks: 2
  • Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
    • Birds - 487 - 5 - 5 - 482 - 0
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 1.03% - 1.03% - 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
    • Contact with wild species

• Epidemiological comments
  • The outbreaks are situated near the southern international border.
  • The clinical signs and gross lesions are consistent with highly pathogenic avian influenza. The rapid field test shows positive for influenza A. The samples are referred to national laboratory for confirmation.

• 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 (NCAH) (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - real-time PCR - Pending

• 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=9042" ></cite>(...)
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