Low pathogenic avian influenza (poultry) H5N2, South Africa (OIE, December 23 2013): 7 New Outbreaks

[Giuseppe]

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


Low pathogenic avian influenza (poultry) H5N2, South Africa


Information received on 23/12/2013 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. 4
  • Date of start of the event 01/06/2012
  • Date of pre-confirmation of the event 29/06/2012
  • Report date 23/12/2013
  • Date submitted to OIE 23/12/2013
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 11/05/2012
  • Manifestation of disease Clinical disease
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H5N2
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to the whole country
  • Related reports
    • Immediate notification (04/10/2012)
    • Follow-up report No. 1 (15/04/2013)
    • Follow-up report No. 2 (09/07/2013)
    • Follow-up report No. 3 (30/08/2013)
    • Follow-up report No. 4 (23/12/2013)
  
  
• New outbreaks (7)
  • Outbreak 1 (LPAI_2012_H5N2_017) LPAI_2012_H5N2_017, Hessequa, WESTERN CAPE PROVINCE
    • Date of start of the outbreak 09/07/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 2128 ? 586 ? 0 ? 0 ? 0
      • Affected population Commercial ostriches
    
    
  • Outbreak 2 (LPAI_2012_H5N2_016) LPAI_2012_H5N2_016, Hessequa, WESTERN CAPE PROVINCE
    • Date of start of the outbreak 22/08/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 99 ? 39 ? 0 ? 0 ? 0
      • Affected population Commercial ostriches
    
    
  • Outbreak 3 (LPAI_2012_H5N2_018) LPAI_2012_H5N2_018, Hessequa, WESTERN CAPE PROVINCE
    • Date of start of the outbreak 12/09/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 2054 ? 175 ? 0 ? 0 ? 0
      • Affected population Commercial ostriches
    
    
  • Outbreak 4 (LPAI_2012_H5N2_019) LPAI_2012_H5N2_019, Hessequa, WESTERN CAPE PROVINCE
    • Date of start of the outbreak 01/10/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 1460 ? 194 ? 0 ? 0 ? 0
      • Affected population Commercial ostriches
    
    
  • Outbreak 5 (LPAI_2012_H5N2_014) LPAI_2012_H5N2_014, Oudtshoorn, WESTERN CAPE PROVINCE
    • Date of start of the outbreak 02/10/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 2975 ? 893 ? 0 ? 0 ? 0
      • Affected population Commercial ostriches
    
    
  • Outbreak 6 (LPAI_2012_H5N2_015) LPAI_2012_H5N2_015, Hessequa, WESTERN CAPE PROVINCE
    • Date of start of the outbreak 08/10/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 750 ? 225 ? 0 ? 0 ? 0
      • Affected population Commercial ostriches
    
    
  • Outbreak 7 (LPAI_2012_H5N2_013) LPAI_2012_H5N2_013, Hessequa, WESTERN CAPE PROVINCE
    • Date of start of the outbreak 02/11/2013
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 705 ? 118 ? 0 ? 0 ? 0
      • Affected population Commercial ostriches
  
  
• Summary of outbreaks
  • Total outbreaks: 7
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 10171 ? 2230 ? 0 ? 0 ? 0
      
      
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate ? - Proportion susceptible animals lost*
      • Birds - 21.93% - 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
  • Note by the OIE Animal Health Information Department: H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2013).
  
  
• Control measures
  • Measures applied
    • Quarantine
    • Movement control inside the country
    • Screening
    • 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.

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