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

[Giuseppe]

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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