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South Africa - 1 new outbreak of low pathogenic avian influenza H7N2 in commercial ostriches in farm, Free State (OIE, February 20, 2019))

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  • South Africa - 1 new outbreak of low pathogenic avian influenza H7N2 in commercial ostriches in farm, Free State (OIE, February 20, 2019))

    Low pathogenic avian influenza (poultry),
    South Africa
    Information received on 21/02/2019 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
    Summary
    Report type Immediate notification
    Date of start of the event 01/02/2019
    Date of confirmation of the event 20/02/2019
    Report date 20/02/2019
    Date submitted to OIE 21/02/2019
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 23/04/2018
    Manifestation of disease Sub-clinical infection
    Causal agent Low pathogenic avian influenza virus
    Serotype H7N2
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    New outbreaks (1)
    Outbreak 1 (LPAI_H7N2_2019_001) LPAI_H7N2_2019_001, Letsemeng, Free State
    Date of start of the outbreak 01/02/2019
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 4372 75 0 1 0
    Affected population Commercial ostriches
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 4372 75 0 1 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 1.72% 0.00% 0.00% 0.02%
    *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 Coordinates modified to protect confidentiality as required by South African Legislation.
    Control measures
    Measures applied
    • Movement control inside the country
    • Screening
    • Traceability
    • Quarantine
    • 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
    Agricultural Research Council - Onderstepoort Veterinary Research (OIE Reference Laboratory) Birds polymerase chain reaction (PCR) 20/02/2019 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=29620
    "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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