OIE: Highly pathogenic avian influenza, South Africa

Information received on 09/01/2018 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
Summary
New outbreaks (12)
Outbreak 1 (HPAI_H5N8_2017_114) HPAI_H5N8_2017_114, Oudtshoorn, WESTERN CAPE PROVINCE
Date of start of the outbreak 02/08/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2047 2 0 0 0
Affected population Commercial ostriches
Outbreak 2 (HPAI_H5N8_2017_120) HPAI_H5N8_2017_120, Hessequa, WESTERN CAPE PROVINCE
Date of start of the outbreak 05/09/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1706 3 0 0 0
Affected population Commercial ostriches
Outbreak 3 (HPAI_H5N8_2017_113) HPAI_H5N8_2017_113, Oudtshoorn, WESTERN CAPE PROVINCE
Date of start of the outbreak 08/09/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2433 3 0 0 0
Affected population Commercial ostriches
Outbreak 4 (HPAI_H5N8_2017_110) HPAI_H5N8_2017_110, Oudtshoorn, WESTERN CAPE PROVINCE
Date of start of the outbreak 16/10/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 556 39 0 0 0
Affected population Commercial ostriches
Outbreak 5 (HPAI_H5N8_2017_118) HPAI_H5N8_2017_118, Swellendam, WESTERN CAPE PROVINCE
Date of start of the outbreak 25/10/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 576 4 0 0 0
Affected population Commercial ostriches
Outbreak 6 (HPAI_H5N8_2017_111) HPAI_H5N8_2017_111, Oudtshoorn, WESTERN CAPE PROVINCE
Date of start of the outbreak 26/10/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 745 11 0 0 0
Affected population Commercial ostriches
Outbreak 7 (HPAI_H5N8_2017_112) HPAI_H5N8_2017_112, Hessequa, WESTERN CAPE PROVINCE
Date of start of the outbreak 07/11/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 287 1 0 0 0
Affected population Commercial ostriches
Outbreak 8 (HPAI_H5N8_2017_117) HPAI_H5N8_2017_117, Hessequa, WESTERN CAPE PROVINCE
Date of start of the outbreak 13/11/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 261 3 0 0 0
Affected population Commercial ostriches
Outbreak 9 (HPAI_H5N8_2017_109) HPAI_H5N8_2017_109, Dr Beyers Naude, EASTERN CAPE PROVINCE
Date of start of the outbreak 22/11/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 468 18 0 0 0
Affected population Commercial ostriches
Outbreak 10 (HPAI_H5N8_2017_119) HPAI_H5N8_2017_119, Hessequa, WESTERN CAPE PROVINCE
Date of start of the outbreak 23/11/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1981 12 0 0 0
Affected population Commercial ostriches
Outbreak 11 (HPAI_H5N8_2017_121) HPAI_H5N8_2017_121, Oudtshoorn, WESTERN CAPE PROVINCE
Date of start of the outbreak 28/11/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1004 64 0 0 0
Affected population Commercial ostriches
Outbreak 12 (HPAI_H5N8_2017_116) HPAI_H5N8_2017_116, Witzenberg, WESTERN CAPE PROVINCE
Date of start of the outbreak 04/12/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 5253 30 0 0 0
Affected population Commercial ostriches
Summary of outbreaks Total outbreaks: 12
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 17317 190 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 1.10% 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 Coordinates modified to protect confidentiality as required by South African Legislation.
Control measures
Measures applied
  • Surveillance within containment and/or protection zone
  • Traceability
  • Quarantine
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Disinfection
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.