Highly pathogenic avian influenza,
South Africa
Information received on 10/07/2017 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. 2
Date of start of the event 19/06/2017
Date of confirmation of the event 22/06/2017
Report date 10/07/2017
Date submitted to OIE 10/07/2017
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)
New outbreaks (2)
Outbreak 1 (HPAI_H5N8_2017_003) HPAI_H5N8_2017_003, Ekurhuleni, GAUTENG
Date of start of the outbreak 06/07/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 370000 39 39 0 0
Affected population Commercial layers
Outbreak 2 (HPAI_H5N8_2017_04) HPAI_H5N8_2017_04, Govan Mbeki, MPUMALANGA
Date of start of the outbreak 09/07/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 7000 1000 1000 0
Affected population The outbreak occurred in chickens (commercial layer farm).
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 377000 1039 1039 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.28% 0.28% 100.00% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
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
Diagnostic test results
Laboratory name and type Species Test Test date Result
Agricultural Research Center, Onderstepoort Veterinary Institute (OIE Reference Laboratory) Birds real-time PCR 09/07/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations