The prevalence of dourine in southern Africa.

The geographical distribution of positive dourine cases found on serological testing at Onderstepoort during the period 1954 to 1975 is recorded, showing major foci of infection occurring in the northern Cape Province, northern Orange Free State, western and north-western Transvaal. Positive cases are also recorded from South West Africa, Botswana, Lesotho, Swaziland and Rhodesia.