Highly pathogenic avian influenza, Myanmar (WAHID Interface - OIE World Animal Health Information Database, March 23 2011, edited)


[Source: OIE, full page: <cite cite="http://web.oie.int/wahis/public.php?page=single_report&pop=1&reportid=10399 ">WAHID Interface - OIE World Animal Health Information Database</cite>. Extract, edited.]

Highly pathogenic avian influenza, Myanmar

Information received on 23/03/2011 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. 4
    • Start date 06/01/2011
    • Date of first confirmation of the event 16/01/2011
    • Report date 23/03/2011
    • Date submitted to OIE 23/03/2011
    • 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 H5N1
    • 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)
      • Follow-up report No. 3 (04/03/2011)
      • Follow-up report No. 4 (23/03/2011)

  • New outbreaks
    • Outbreak 1 (10166) - Fame Kar village, Ye U township, Shwebo, SAGAING
      • Date of start of the outbreak 16/03/2011
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
        • Birds - 780 - 350 - 350 - 430 - 0
        • Affected Population:
          • Layer chickens.
          • They were 4 months and 19 months old.
          • There were two layer units and a total of 780 chickens and a few chickens were found dead starting from 16 March.
          • Totally, 350 chickens died within 4 days.

  • Summary of outbreaks
    • Total outbreaks: 1
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Birds - 44.87% - 44.87% - 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
    • Livestock Breeding and Veterinary Department applied the following measures to effectively contain the event:
      • Culling the poultry within 1-km radius of infected flock
      • Cleaning and disinfecting the infected premises
      • Restriction of movement
      • Ban on the sale of poultry and poultry products in infected and restricted area
      • Conducting public awareness programme in collaboration with other organisations
      • Continue active searching for additional cases in the surrounding areas.

  • Control measures
    • Measures applied
      • Stamping out
      • Quarantine
      • Movement control inside the country
      • Zoning
      • 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 Yangon Veterinary Diagnostic Laboratory (National laboratory)
      • Tests and results: Species - Test - Test date - Result
        • Birds - polymerase chain reaction (PCR) - 21/03/2011 - Positive
        • Birds - rapid tests - 21/03/2011 - Positive

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

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