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Diversity of full-length tprK variants in primary syphilis samples and secondary syphilis samples. (A) Proportional distribution of the distinct full-length tprK variants obtained from primary syphilis samples. (B) Proportional distribution of the distinct full-length tprK variants obtained from secondary syphilis samples. (C) Shannon diversity measures of the full-length tprK variants from primary and secondary syphilis samples.
