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abstractpubmed· Abstract 2020· item PMID:32093931
Reverse Sequence Syphilis Screening and Discordant Results in Pregnancy. A "reverse sequence syphilis screening" algorithm is widely used for syphilis testing. This retrospective study showed that most (65%) pregnant women with discordant screening results (treponemal multiplex flow immunoassay IgG+/rapid plasma reagin-) had a nonreactive confirmatory Treponema pallidum-particle agglutination assay, likely indicative of a false-positive reaction.