Low pathogenic avian influenza (poultry), Canada (WAHID Interface - OIE World Animal Health Information Database, 12/02/10, edited)

[Giuseppe]

Low pathogenic avian influenza (poultry), Canada (WAHID Interface - OIE World Animal Health Information Database, 12/02/10, edited)


[Source: OIE, full text: <cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=10003">WAHID Interface - OIE World Animal Health Information Database</cite>. Edited.]

Low pathogenic avian influenza (poultry), Canada

Information received on 01/12/2010 from Dr Brian Evans, Chief Food Safety Officer/Chief Veterinary Officer, Office of the President, Canadian Food Inspection Agency, OTTAWA, Canada

• Summary
  • Report type Follow-up report No. 1
  • Start date 17/11/2010
  • Date of first confirmation of the event 23/11/2010
  • Report date 01/12/2010
  • Date submitted to OIE 01/12/2010
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 11/03/2009
  • Manifestation of disease Clinical disease
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H5N2
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (24/11/2010)
    • Follow-up report No. 1 (01/12/2010)

• Outbreaks
  • There are no new outbreaks in this report

• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive

• Epidemiological comments
  • All birds at the infected farm (NAI-2010-MB-001) have been humanely destroyed under the supervision of the CFIA on 28 November 2010.
  • Disposal of carcasses has begun and on-farm cleaning and disinfection preparation continues.
  • Trace in / trace out investigations are underway and there's no indication of the presence of notifiable avian influenza (NAI) so far at other premises.
  • A NAI virus was isolated by the NCFAD from samples collected at the infected premises. Full length sequencing of the virus was performed at the NCFAD and results confirm the presence of a low pathogenic H5N2 NAI virus.
  • IVPI test is underway with results expected next week.

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

• Diagnostic test results
  • Laboratory name and type CFIA - National Center for Foreign Animal Diseases (NCFAD) (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - intravenous pathogenicity index (IVPI) test - Pending
      • Birds - virus isolation - 26/11/2010 - Positive

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

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