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. 2023 Aug 1;3:1227071. doi: 10.3389/fepid.2023.1227071

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© 2023 Gwarinda, Tessema, Raman, Greenhouse and Birkholtz.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Study area and design. (A) Map of the study site showing the countries from where genotyping data was collected. The specific areas where samples were collected are coloured in red on the map: the north-eastern border region of Namibia (the Kavango and Zambezi regions), the north-eastern border region of South Africa (the Vhembe District in the Limpopo Province), the whole of Eswatini and parts of southern Mozambique. Study sites represent countries in the Southern Africa Elimination-8 region. (B) Only samples that met the 60% genotyping coverage threshold were analysed. The red dashed line indicates the threshold which represents alleles being detected on at least 15 of the 26 loci.