टी. पैलिडामनि सिनायथिखौ मानसि नङै प्राइमेटआव मोननाय जादों आरो सिमियान आइस'लेसनजों मानसिनि बिजिरथायारि टीका थुनायजों याउसबादि बेराम जायो।
T. pallidum pertenue has been identified in nonhuman primates and experimental inoculation of human beings with a simian isolate causes yaws-like disease.