Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
South Africa
Information received on 24/07/2017 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
Summary
Report type Immediate notification
Date of start of the event 30/06/2017
Date of confirmation of the event 30/06/2017
Report date 24/07/2017
Date submitted to OIE 24/07/2017
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 (24/07/2017)
Follow-up report No. 1 (15/08/2017)
Follow-up report No. 2 (22/08/2017)
Follow-up report No. 3 (31/08/2017)
Follow-up report No. 4 (05/09/2017)
Follow-up report No. 5 (08/09/2017)
Follow-up report No. 6 (15/09/2017)
Follow-up report No. 7 (22/09/2017)
Follow-up report No. 8 (29/09/2017)
Follow-up report No. 9 (06/10/2017)
Follow-up report No. 10 (17/10/2017)
Follow-up report No. 11 (30/10/2017)
Follow-up report No. 12 (13/11/2017)
Follow-up report No. 13 (29/11/2017)
Follow-up report No. 14 (08/01/2018)
Follow-up report No. 15 (22/01/2018)
Follow-up report No. 16 (02/02/2018)
Follow-up report No. 17 (21/02/2018)
Follow-up report No. 18 (01/03/2018)
Follow-up report No. 19 (09/03/2018)
Follow-up report No. 20 (27/03/2018)
Follow-up report No. 21 (17/04/2018)
Follow-up report No. 22 (14/05/2018)
Follow-up report No. 23 (31/05/2018)
Follow-up report No. 24 (18/07/2018)
New outbreaks (4)
Outbreak 1 (HPAI_H5N8_2017_006) HPAI_H5N8_2017_006, Lekwa, Mpumalanga
Date of start of the outbreak 30/06/2017
Outbreak status Resolved (30/09/2017)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Southern Masked-Weaver:Ploceus velatus(Ploceidae) 2 2 0 0
Outbreak 2 (HPAI_H5N8_2017_005) HPAI_H5N8_2017_005, City of Tshwane, Gauteng
Date of start of the outbreak 11/07/2017
Outbreak status Resolved (24/08/2017)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Yellow-billed Duck:Anas undulata(Anatidae) 1 1 0 0
Outbreak 3 (HPAI_H5N8_2017_007) HPAI_H5N8_2017_007, City of Tshwane, Gauteng
Date of start of the outbreak 13/07/2017
Outbreak status Resolved (13/10/2017)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Egyptian Goose:Alopochen aegyptiaca(Anatidae) 1 0 0 0
Outbreak 4 (HPAI_H5N8_2017_008) HPAI_H5N8_2017_008, Emfuleni, Gauteng
Date of start of the outbreak 20/07/2017
Outbreak status Resolved (02/10/2017)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 25 11 9 0 0
Affected population Domestic hobby geese (non-poultry)
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Southern Masked-Weaver:Ploceus velatus(Ploceidae) 2 2 0 0
Yellow-billed Duck:Anas undulata(Anatidae) 1 1 0 0
Egyptian Goose:Alopochen aegyptiaca(Anatidae) 1 0 0 0
Birds 25 11 9 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Southern Masked-Weaver:Ploceus velatus(Ploceidae) ** ** 100.00% **
Yellow-billed Duck:Anas undulata(Anatidae) ** ** 100.00% **
Egyptian Goose:Alopochen aegyptiaca(Anatidae) ** ** 0.00% **
Birds 44.00% 36.00% 81.82% 36.00%
*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
Control measures
Measures applied
  • 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
Agricultural Research Center, Onderstepoort Veterinary Institute (OIE Reference Laboratory) Southern Masked-Weaver polymerase chain reaction (PCR) 11/07/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations