Estimating the Sensitivity of Nontreponemal and Treponemal Antibody Tests in Primary Syphilis. - Sweitzer SF; Chen JS; Matoga MM; Yang L; Lopez-Medina E; Garcia-Luna JA; Hoffman IF; Yang B; Salazar JC; Radolf JD; Parr JB; Seña AC (Sexually transmitted diseases, 2026)