IntroductionStrains of the syphilis spirochete. Treponema pallidum ssp. pallidum. group into one of two deep-branching clades: the Nichols clade or the globally dominant Street Strain 14 (SS14) clade. https://www.roneverhart.com/1915-Old-Taylor-Bourbon-Bottled-1933-Prohibition-Bottling-Quart-low-fill/