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South Africa - Outbreaks of low pathogenic avian influenza H7 in commercial ostriches in farms, Western Cape Province

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  • South Africa - Outbreaks of low pathogenic avian influenza H7 in commercial ostriches in farms, Western Cape Province

    Low pathogenic avian influenza (poultry),
    South Africa
    Information received on 21/08/2020 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 15/07/2020
    Date of confirmation of the event 31/07/2020
    Report date 21/08/2020
    Date submitted to OIE 21/08/2020
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 21/05/2019
    Manifestation of disease Sub-clinical infection
    Causal agent Low pathogenic avian influenza virus
    Serotype H7
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    New outbreaks (1)
    Outbreak 1 (LPAI_H7_2020_WCP_001) LPAI_H7_2020_WCP_001, Mossel Bay, Western Cape Province
    Date of start of the outbreak 15/07/2020
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 590 9 0 0 0
    Affected population Commercial ostriches
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 590 9 0 0 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 1.53% 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
    • Contact with wild species
    Epidemiological comments Coordinates modified to protect confidentiality as required by South African Legislation.
    Control measures
    Measures applied
    • 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
    ARC-OVI (National laboratory) Birds polymerase chain reaction (PCR) 31/07/2020 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.

    ...
    https://www.oie.int/wahis_2/public/w...reportid=35410
    "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

  • #2
    Low pathogenic avian influenza (poultry),
    South Africa
    Information received on 02/09/2020 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
    Summary
    Report type Follow-up report No. 1
    Date of start of the event 15/07/2020
    Date of confirmation of the event 31/07/2020
    Report date 02/09/2020
    Date submitted to OIE 02/09/2020
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 21/05/2019
    Manifestation of disease Sub-clinical infection
    Causal agent Low pathogenic avian influenza virus
    Serotype H7
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    Related reports Immediate notification (21/08/2020)
    Follow-up report No. 1 (02/09/2020)
    New outbreaks (2)
    Outbreak 1 (LPAI_H7_2020_WCP_003) LPAI_H7_2020_WCP_003, Oudtshoorn, Western Cape Province
    Date of start of the outbreak 20/07/2020
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 109 3 0 0 0
    Affected population Commercial ostriches
    Outbreak 2 (LPAI_H7_2020_WCP_002) LPAI_H7_2020_WCP_002, Mossel Bay, Western Cape Province
    Date of start of the outbreak 03/08/2020
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 202 5 0 0 0
    Affected population Commercial ostriches
    Summary of outbreaks Total outbreaks: 2
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 311 8 0 0 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 2.57% 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
    Control measures
    Measures applied
    • Traceability
    • Quarantine
    • Vaccination prohibited
    • No treatment of affected animals
    Measures to be applied
    • No other measures
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.

    ...

    https://www.oie.int/wahis_2/public/w...reportid=35536
    "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

    Comment


    • #3
      Low pathogenic avian influenza (poultry),
      South Africa
      Information received on 30/09/2020 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
      Summary
      Report type Follow-up report No. 2
      Date of start of the event 15/07/2020
      Date of confirmation of the event 31/07/2020
      Report date 28/09/2020
      Date submitted to OIE 30/09/2020
      Reason for notification Recurrence of a listed disease
      Date of previous occurrence 21/05/2019
      Manifestation of disease Sub-clinical infection
      Causal agent Low pathogenic avian influenza virus
      Serotype H7
      Nature of diagnosis Laboratory (advanced)
      This event pertains to a defined zone within the country
      Related reports Immediate notification (21/08/2020)
      Follow-up report No. 1 (02/09/2020)
      Follow-up report No. 2 (28/09/2020)
      New outbreaks (2)
      Outbreak 1 (LPAI_H7_2020_WCP_005) LPAI_H7_2020_WCP_005, Kannaland, Western Cape Province
      Date of start of the outbreak 04/08/2020
      Outbreak status Continuing (or date resolved not provided)
      Epidemiological unit Farm
      Affected animals
      Species Susceptible Cases Deaths Killed and disposed of Slaughtered
      Birds 1393 12 0 0 0
      Affected population Commercial Ostriches
      Outbreak 2 (LPAI_H7_2020_WCP_004) LPAI_H7_2020_WCP_004, Oudtshoorn, Western Cape Province
      Date of start of the outbreak 07/08/2020
      Outbreak status Continuing (or date resolved not provided)
      Epidemiological unit Farm
      Affected animals
      Species Susceptible Cases Deaths Killed and disposed of Slaughtered
      Birds 1300 9 0 0 0
      Affected population Commercial ostriches
      Summary of outbreaks Total outbreaks: 2
      Total animals affected
      Species Susceptible Cases Deaths Killed and disposed of Slaughtered
      Birds 2693 21 0 0 0
      Outbreak statistics
      Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
      Birds 0.78% 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
      Control measures
      Measures applied
      • Traceability
      • Quarantine
      • Vaccination prohibited
      • No treatment of affected animals
      Measures to be applied
      • No other measures
      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

      Comment

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