Since 1998, the WOAH (founded as OIE) has the mandate from the WTO to officially recognise disease-free areas of countries for trade purposes. The procedure for the official recognition of disease status by the WOAH is voluntary and applies currently to six diseases. As per June 2020, the status is as follows :
Freedom from African Horse Sickness (AHS)
- Algeria : country-wide
- Morocco : country-wide
- Tunisia : country-wide
Freedom from Bovine Spongiform Encephalopathy (BSE)
- Namibia : negligeable risk
Freedom from Contagious Bovine Pleuropneumonia (CBPP)
- Botswana : country-wide
- eSwatini : country-wide
- Namibia : zone, south to the Veterinary Cordon Fence
- South Africa : country-wide
Freedom from Classical Swine Fever (CSF)
Freedom from Foot-and-Mouth Disease (FMD) without vaccination
- Botswana : zone(s)
- eSwatini : country-wide
- Lesotho : country-wide
- Madagascar : country-wide
- Namibia : zone, south to the Veterinary Cordon Fence
- South Africa : zone (suspended)
Freedom from Peste des Petits Ruminants (PPR)
- Botswana : country-wide
- eSwatini : country-wide
- Lesotho : country-wide
- Madagascar : country-wide
- Mauritius : country-wide
- Namibia : zone, south to the Veterinary Cordon Fence
- South Africa : country-wide
