African swine fever,
South Africa

Information received on 13/11/2020 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. 22
Date of start of the event	15/04/2019
Date of confirmation of the event	17/04/2019
Report date	13/11/2020
Date submitted to OIE	13/11/2020
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	10/12/2018
Manifestation of disease	Clinical disease
Causal agent	African swine fever virus
Nature of diagnosis	Clinical, Laboratory (advanced)
This event pertains to	a defined zone within the country
Related reports	Immediate notification (18/04/2019) Follow-up report No. 1 (30/04/2019) Follow-up report No. 2 (13/05/2019) Follow-up report No. 3 (22/05/2019) Follow-up report No. 4 (04/06/2019) Follow-up report No. 5 (14/06/2019) Follow-up report No. 6 (25/06/2019) Follow-up report No. 7 (11/07/2019) Follow-up report No. 8 (08/08/2019) Follow-up report No. 9 (06/09/2019) Follow-up report No. 10 (01/11/2019) Follow-up report No. 11 (25/11/2019) Follow-up report No. 12 (17/12/2019) Follow-up report No. 13 (25/02/2020) Follow-up report No. 14 (26/03/2020) Follow-up report No. 15 (08/05/2020) Follow-up report No. 16 (19/05/2020) Follow-up report No. 17 (17/07/2020) Follow-up report No. 18 (24/07/2020) Follow-up report No. 19 (14/10/2020) Follow-up report No. 20 (20/10/2020) Follow-up report No. 21 (30/10/2020) Follow-up report No. 22 (13/11/2020) Follow-up report No. 23 (23/11/2020) Follow-up report No. 24 (27/11/2020) Follow-up report No. 25 (12/01/2021)

New outbreaks (2)

Outbreak 1 (ASF_MPU_2019_025)

ASF_MPU_2019_025, Randfontein, Gauteng

Date of start of the outbreak

30/10/2020

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Swine	638	18	18	0	0

Outbreak 2 (ASF_MPU_2019_026)

ASF_MPU_2019_026, Midvaal, Gauteng

Date of start of the outbreak

07/11/2020

Outbreak status

Resolved (09/12/2020)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Swine	35	2	0	2	0

Summary of outbreaks

Total outbreaks: 2

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Swine	673	20	18	2	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Swine	2.97%	2.67%	90.00%	2.97%

*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	Outbreak outside South Africa's ASF Control Zone. Coordinates modified to protect confidentiality as required by South African Legislation.

Control measures

Measures applied	Traceability Quarantine Selective killing and disposal Zoning Disinfection 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