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Highly pathogenic avian influenza, South Africa (OIE, February 23 2012): 1 New H5N2 Poultry Outbreak

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  • Highly pathogenic avian influenza, South Africa (OIE, February 23 2012): 1 New H5N2 Poultry Outbreak

    [Source: OIE, full page: (LINK). Edited.]


    Highly pathogenic avian influenza, South Africa


    Information received on 23/02/2012 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. 10
      • Start date 01/02/2011
      • Date of first confirmation of the event 16/03/2011
      • Report date 23/02/2012
      • Date submitted to OIE 23/02/2012
      • Reason for notification Reoccurrence of a listed disease
      • Date of previous occurrence 07/2006
      • Manifestation of disease Clinical disease
      • Causal agent Highly pathogenic avian influenza virus
      • Serotype H5N2
      • Nature of diagnosis Laboratory (advanced)
      • This event pertains to the whole country
      • Related reports
        • Immediate notification (11/04/2011)
        • Follow-up report No. 1 (06/05/2011)
        • Follow-up report No. 2 (16/05/2011)
        • Follow-up report No. 3 (10/06/2011)
        • Follow-up report No. 4 (04/07/2011)
        • Follow-up report No. 5 (05/08/2011)
        • Follow-up report No. 6 (26/08/2011)
        • Follow-up report No. 7 (22/09/2011)
        • Follow-up report No. 8 (14/11/2011)
        • Follow-up report No. 9 (05/12/2011)
        • Follow-up report No. 10 (23/02/2012)
    • New outbreaks
      • Outbreak 1 (AI_WCP2011_47) AI_WCP2011_47, Uniondale, WESTERN CAPE PROVINCE
        • Date of start of the outbreak 13/01/2012
        • Outbreak status Continuing (or date resolved not provided)
        • Epidemiological unit Farm
        • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
          • Birds ? 2963 ? 662 ? 0 ? 0 ? 0
          • Affected Population:
            • Commercial ostriches. PCR positive for H5.
    • Summary of outbreaks
      • Total outbreaks: 1
      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 22.34% - 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 ostrich farms.
      • Initially no clinical signs or mortalities were seen.
      • Stamping out of ostriches on positive farms is taking place.
    • Control measures
      • Measures applied
        • Stamping out
        • Quarantine
        • Screening
        • Vaccination prohibited
        • No treatment of affected animals
      • Measures to be applied
        • No other measures
    • Diagnostic test results
      • Laboratory name and type Deltamune (Private Laboratory)
        • Tests and results: Species ? Test - Test date ? Result
          • Birds - polymerase chain reaction (PCR) - 21/02/2012 ? Positive
    • Future Reporting
      • The event is continuing. Weekly follow-up reports will be submitted.
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