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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.
    ...
    "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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