The wandering treponeme. A possible source of error in fluorescent antibody staining of spiral forms in body fluids.

Influence of genital herpes on results of fluorescent treponemal antibody absorption test.

“…The commercial sorbent (Baltimore Biological Laboratories) used in this study provided greater specificity than the commercial sorbent used by Wright et al (1975). Previously mentioned concomitant diseases or problems with laboratory techniques as reported by Sparling (1971), Elsas (1972), Pien et al (1976), and McKenna et al (1973) could perhaps explain some of the false-positive results. Burns (1975) reported a series of 56 clinically healthy persons with no history of syphilis and negative results to the VDRL test but borderline or reactive results to the FTA-ABS test.…”