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South Africa - 1 new outbreak of low pathogenic avian influenza H7N2 in commercial ostriches, Western Cape Province (OIE, October 24, 2016)

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  • South Africa - 1 new outbreak of low pathogenic avian influenza H7N2 in commercial ostriches, Western Cape Province (OIE, October 24, 2016)

    Low pathogenic avian influenza (poultry),
    South Africa
    Information received on 25/10/2016 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 10/07/2016
    Date of confirmation of the event 26/09/2016
    Report date 24/10/2016
    Date submitted to OIE 25/10/2016
    Reason for notification Reoccurrence of a listed disease
    Date of previous occurrence 2016
    Manifestation of disease Sub-clinical infection
    Causal agent Low pathogenic avian influenza virus
    Serotype H7N2
    Nature of diagnosis Laboratory (advanced)
    This event pertains to the whole country
    New outbreaks (1)
    Outbreak 1 (LPAI_H7N2_2016_001) LPAI_H7N2_2016_001, George, WESTERN CAPE PROVINCE
    Date of start of the outbreak 10/07/2016
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 1790 278 0 0 0
    Affected population Commercial ostriches
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 1790 278 0 0 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 15.53% 0.00% 0.00% 0.00%
    *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 Commercial ostriches. This outbreak was first reported as LPAI H5N2 in the follow-up report No. 16 on 20 September 2016. South Africa has been able to determine, with sequencing, that this is in fact LPAI H7N2.
    Control measures
    Measures applied
    • Movement control inside the country
    • Screening
    • Disinfection / Disinfestation
    • 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 Institute (ARC OVI) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 26/09/2016 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=21341
    "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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