R0 today occurs commonly in the Arabian peninsula, with its highest frequency observed nearby among the Soqotri (40.7%).[8] The Soqotri also have the greatest R0 subclade diversity.[9] The clade is likewise found at high frequencies among the Kalash in South Asia (23%).[10] Additionally, moderate frequencies of R0 occur in Northeast Africa, Anatolia, the Iranian Plateau and Dalmatia.