Highly pathogenic avian influenza H5N2, South Africa (OIE, October 4 2012): 1 New Outbreak

[Giuseppe]

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


Highly pathogenic avian influenza, South Africa


Information received on 04/10/2012 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. 13
  • Date of start of the event 01/02/2011
  • Date of pre-confirmation of the event 16/03/2011
  • Report date 04/10/2012
  • Date submitted to OIE 04/10/2012
  • 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)
    • Follow-up report No. 11 (09/05/2012)
    • Follow-up report No. 12 (28/06/2012)
    • Follow-up report No. 13 (04/10/2012)
• New outbreaks (1)
  • Outbreak 1 - (AI_WCP2011_51) AI_WCP2011_51, Hessequa, WESTERN CAPE PROVINCE
    • Date of start of the outbreak 11/06/2012
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 1930 ? 1286 ? 0 ? 0 ? 0
      • Affected population Commercial ostriches
• Summary of outbreaks
  • Total outbreaks: 1
  • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
    • Birds ? 1930 ? 1286 ? 0 ? 0 ? 0
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 66.63% - 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 farm 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 ? Species ? Test - Test date ? Result
    • Deltamune (Private Laboratory) ? Birds - polymerase chain reaction (PCR) - 28/06/2012 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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