Highly pathogenic avian influenza, Myanmar (WAHID Interface - OIE World Animal Health Information Database, Feb 4 2011, edited)

[Giuseppe]

Highly pathogenic avian influenza, Myanmar (WAHID Interface - OIE World Animal Health Information Database, Feb 4 2011, edited)


[Source: OIE, full page: <cite cite="http://web.oie.int/wahis/public.php?page=single_report&pop=1&reportid=10214">WAHID Interface - OIE World Animal Health Information Database</cite>. Edited.]

Highly pathogenic avian influenza, Myanmar

Information received on 04/02/2011 from Prof. Dr Myint Thein , Director General, Livestock Breeding and Veterinary Department , Ministry of Livestock & Fisheries , YANGOON , Myanmar

• Summary
  • Report type Follow-up report No. 2
  • Start date 26/01/2011
  • Date of first confirmation of the event 02/02/2011
  • Report date 04/02/2011
  • Date submitted to OIE 04/02/2011
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 26/03/2010
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5
  • Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (18/01/2011)
    • Follow-up report No. 1 (28/01/2011)
    • Follow-up report No. 2 (04/02/2011)

• New outbreaks
  • Outbreak 1 (10166) - Bomya Quarter, Tantse, Shwebo, SAGAING
    • Date of start of the outbreak 26/01/2011
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds - 990 - 459 - 459 - 531 - 0
      • Affected Population Layer chickens in two farms

• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 46.36% - 46.36% - 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

• Epidemiological comments
  • 18-month-old layer chickens in two farms with a total of 990 chickens; few chickens were found dead on 26 January.
  • Totally, 459 chickens have died in 5 days.
  • There are 35,000 chickens reared in 61 farms in Tantse Township.
  • All are layer chickens of different ages.

• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • 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 Mandalay Regional Veterinary Diagnostic Laboratory (Local laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - rapid tests - 31/01/2011 - Positive
  • Laboratory name and type Yangon Veterinary Diagnostic Laboratory (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - polymerase chain reaction (PCR) - 02/02/2011 - Positive
      • Birds - real-time PCR - 02/02/2011 - Positive

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

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