Highly pathogenic avian influenza,
South Africa
Information received on 31/08/2017 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. 9
Date of start of the event 19/06/2017
Date of confirmation of the event 22/06/2017
Report date 31/08/2017
Date submitted to OIE 31/08/2017
Reason for notification New strain of a listed disease in the country
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (22/06/2017)
Follow-up report No. 1 (26/06/2017)
Follow-up report No. 2 (10/07/2017)
Follow-up report No. 3 (31/07/2017)
Follow-up report No. 4 (03/08/2017)
Follow-up report No. 5 (07/08/2017)
Follow-up report No. 6 (11/08/2017)
Follow-up report No. 7 (22/08/2017)
Follow-up report No. 8 (25/08/2017)
Follow-up report No. 9 (31/08/2017)
Follow-up report No. 10 (05/09/2017)
Follow-up report No. 11 (08/09/2017)
Follow-up report No. 12 (15/09/2017)
Follow-up report No. 13 (22/09/2017)
Follow-up report No. 14 (29/09/2017)
Follow-up report No. 15 (06/10/2017)
Follow-up report No. 16 (17/10/2017)
Follow-up report No. 17 (30/10/2017)
Follow-up report No. 18 (13/11/2017)
New outbreaks (4)
Outbreak 1 (HPAI_H5N8_2017_030) HPAI_H5N8_2017_030, Hessequa, WESTERN CAPE PROVINCE
Date of start of the outbreak 18/08/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 144 8 0 0 0
Affected population Commercial ostriches
Outbreak 2 (HPAI_H5N8_2017_029) HPAI_H5N8_2017_029, Hessequa, WESTERN CAPE PROVINCE
Date of start of the outbreak 21/08/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1284 63 0 0 0
Affected population Commercial ostriches
Outbreak 3 (HPAI_H5N8_2017_027) HPAI_H5N8_2017_027, City of Cape Town, WESTERN CAPE PROVINCE
Date of start of the outbreak 24/08/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 28717 5533 5533 0 0
Affected population Commercial/domestic ducks
Outbreak 4 (HPAI_H5N8_2017_028) HPAI_H5N8_2017_028, Hessequa, WESTERN CAPE PROVINCE
Date of start of the outbreak 25/08/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 384 31 0 0 0
Affected population Commercial ostriches
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 30529 5635 5533 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 18.46% 18.12% 98.19% 18.12%
*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.
Map of outbreak locations