Low pathogenic avian influenza (poultry),
South Africa
Information received on 23/11/2020 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. 1
Date of start of the event 04/08/2020
Date of confirmation of the event 13/08/2020
Report date 23/11/2020
Date submitted to OIE 23/11/2020
Reason for notification New strain of a listed disease in the country
Causal agent Low pathogenic avian influenza virus (undefined H7 virus)
Serotype H7
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (13/11/2020)
Follow-up report No. 1 (23/11/2020)
Follow-up report No. 2 (02/12/2020)
Follow-up report No. 3 (11/01/2021)
New outbreaks (8)
Outbreak 1 (AI_H7_2020_WCP_018) AI_H7_2020_WCP_018, Oudtshoorn, Western Cape Province
Date of start of the outbreak 10/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1269 28 0 0 0
Affected population Commercial ostriches
Outbreak 2 (AI_H7_2020_WCP_012) AI_H7_2020_WCP_012, Oudtshoorn, Western Cape Province
Date of start of the outbreak 16/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 248 37 0 0 0
Affected population Commercial ostriches
Outbreak 3 (AI_H7_2020_WCP_013) AI_H7_2020_WCP_013, Hessequa, Western Cape Province
Date of start of the outbreak 17/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 884 16 0 0 0
Affected population Commercial ostriches
Outbreak 4 (AI_H7_2020_WCP_014) AI_H7_2020_WCP_014, Hessequa, Western Cape Province
Date of start of the outbreak 22/09/2020
Outbreak status Resolved (30/11/2020)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1280 3 0 0 0
Affected population Commercial ostriches
Outbreak 5 (AI_H7_2020_WCP_015) AI_H7_2020_WCP_015, Mossel Bay, Western Cape Province
Date of start of the outbreak 05/10/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1432 12 0 0 0
Affected population Commercial ostriches
Outbreak 6 (AI_H7_2020_WCP_017) AI_H7_2020_WCP_017, Hessequa, Western Cape Province
Date of start of the outbreak 06/10/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1482 16 0 0 0
Affected population Commercial ostriches
Outbreak 7 (AI_H7_2020_WCP_019) AI_H7_2020_WCP_019, Oudtshoorn, Western Cape Province
Date of start of the outbreak 06/10/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2220 18 0 0 0
Affected population Commercial ostriches
Outbreak 8 (AI_H7_2020_WCP_016) AI_H7_2020_WCP_016, Beaufort West, Western Cape Province
Date of start of the outbreak 07/10/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3879 11 0 0 0
Affected population Commercial ostriches
Summary of outbreaks Total outbreaks: 8
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 12694 141 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 1.11% 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. H7 infection detected on HI serology. No further typing successful.
Control measures
Measures applied
  • Screening
  • Traceability
  • Quarantine
  • 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.
Map of outbreak locations