Fig. 3From: Analysis of the drivers of ASF introduction into the officially approved pig compartments in South Africa and implications for the revision of biosecurity standardsCompartment units categorized by risk at province level. High-risk units are clustered around the Gauteng–Limpopo border, with smaller clusters around the Kwa Zulu-Natal and Mpumalanga border, and in the southern part of the Eastern Cape. Limpopo has the highest number of high-risk units, while the Eastern Cape has the highest proportion of high-risk unitsBack to article page