ट्रेप'नेमल आन्जादफोरा बांसिनै जुनिया जायो, आरो बेफोर जायखि जाया सुबुंनि थाखाय दाजाबारि जायो, जाय माब्लाबा समाव याउसजों सन्देरजायोब्ला; बेफोराव ट्रेप'निमा पेलिडाम गुनद्रासा एग्लूटिनेशन एसे थादेरो।
Treponemal tests are more specific, and are positive for anyone who has ever been infected with yaws; they include the Treponema pallidum particle agglutination assay.