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Myanmar - 1 new outbreak of highly pathogenic avian influenza H5N1 in 88 chicken layer farms and 50 quail layer farms in Monywa, Sagaing Region (OIE, May 15, 2015)

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  • Myanmar - 1 new outbreak of highly pathogenic avian influenza H5N1 in 88 chicken layer farms and 50 quail layer farms in Monywa, Sagaing Region (OIE, May 15, 2015)

    Highly pathogenic avian influenza,
    Myanmar
    Information received on 15/05/2015 from Dr Myint Than, Director General, Livestock Breeding and Veterinary, Ministry of Livestock and Fisheries, Nay Pyi Taw, Myanmar
    Summary
    Report type Follow-up report No. 1
    Date of start of the event 12/02/2015
    Date of confirmation of the event 21/02/2015
    Report date 15/05/2015
    Date submitted to OIE 15/05/2015
    Reason for notification Reoccurrence of a listed disease
    Date of previous occurrence 07/2012
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N1
    Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
    This event pertains to a defined zone within the country
    Related reports Immediate notification (28/02/2015)
    Follow-up report No. 1 (15/05/2015)
    New outbreaks (1)
    Outbreak 1 Kyauk sit pon, Monywa, Monywa, SAGAING
    Date of start of the outbreak 12/02/2015
    Outbreak status Resolved (24/03/2015)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 336106 134284 134284 201822
    Affected population 88 chicken layer farms and 50 quail layer farms within livestock zone
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 336106 134284 134284 201822
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 39.95% 39.95% 100.00% **
    *Removed from the susceptible population through death, destruction and/or slaughter
    **Not calculated because of missing information
    Epidemiology
    Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
    Epidemiological comments Lack of biosecurity within the zone. Epidemiological linkage between the farms.
    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 Species Test Test date Result
    Mandalay Diagnostic laboratory (National laboratory) Birds real-time PCR 26/02/2015 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    "Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear."
    -Nelson Mandela
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