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Laos - 5 new outbreaks of highly pathogenic avian influenza H5N1 in birds in farms (OIE, August 10, 2017)

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  • Laos - 5 new outbreaks of highly pathogenic avian influenza H5N1 in birds in farms (OIE, August 10, 2017)

    Highly pathogenic avian influenza,
    Laos
    Information received on 10/08/2017 from Dr Somphanh Chanphengxay, Director General, Department of Livestock and Fisheries, Ministry of Agriculture and Forestry, Vientiane, Laos
    Summary
    Report type Immediate notification
    Date of start of the event 02/07/2017
    Date of confirmation of the event 12/07/2017
    Report date 10/08/2017
    Date submitted to OIE 10/08/2017
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 26/10/2016
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N1
    Nature of diagnosis Clinical, Laboratory (advanced)
    This event pertains to a defined zone within the country
    New outbreaks (5)
    Outbreak 1 Phiengta, Thathome, XAYSOMBOUN SPECIAL REGION
    Date of start of the outbreak 02/07/2017
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 2635 2216 2216 419 0
    Affected population Ducks and hens
    Outbreak 2 Pu, Thathome, XAYSOMBOUN SPECIAL REGION
    Date of start of the outbreak 02/07/2017
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 3452 395 395 3057 0
    Affected population Ducks and hens
    Outbreak 3 Hadsamkhone, Thathome, XAYSOMBOUN SPECIAL REGION
    Date of start of the outbreak 02/07/2017
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 2787 1774 1774 1013 0
    Affected population Ducks and hens
    Outbreak 4 Donglankham, Sanasomboun, CHAMPASAK
    Date of start of the outbreak 20/07/2017
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 8800 8750 8750 50 0
    Affected population Hens
    Outbreak 5 Nasong, Thathome, XAYSOMBOUN SPECIAL REGION
    Date of start of the outbreak 25/07/2017
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 1662 1360 1360 302 0
    Affected population Ducks and hens
    Summary of outbreaks Total outbreaks: 5
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 19336 14495 14495 4841 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 74.96% 74.96% 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
    Control measures
    Measures applied
    • Movement control inside the country
    • Surveillance outside containment and/or protection zone
    • Surveillance within containment and/or protection zone
    • Stamping out
    • Disinfection
    • Vaccination permitted (if a vaccine exists)
    • No treatment of affected animals
    Measures to be applied
    • No other measures
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    National Animal Health Laboratory (National laboratory) Birds real-time PCR 12/07/2017 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=24527
    "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."
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