FTA-ABS Test
Abstract
To the Editor.—
Burns reported spontaneous reversion of FTA-ABS reactions in patients undergoing preemployment examination. His conclusion was that "serologic tests for syphilis in individuals without physical evidence or history of disease and with negative VDRL and weakly fluorescent FTA-ABS tests should be followed up for about a year before the diagnosis of syphilis is made." In fact, as noted by Dans et al (unpublished data), biologic false-positive results comprise a...