oa South African Medical Journal - Detection of biological false positive syphilis serum reactions



A comparative evaluation of reagin tests (Wassermann, VDRL, RPR) and fluorescent treponema antibody absorption tests (FTA-ABS) performed on blood specimens from 5 271 persons (2 493 pregnant women, 1 130 apparently healthy prospective employees, 1 345 newborn babies and 303 leprosy patients) showed that 17,2% of the pregnant women, 11,95% of the prospective employees, 19,0% of the newborn babies, and 27,2% of the leprosy patients gave positive reactions in one or more of the tests.


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