Methods:Applying TP-ELISA,TRUST and colloidal gold test to test 102 positive sera,220 negative sera and 5 indeterminable sera were tested by TPPA,respectively.

• 方法:分别用TP-ELISA、TRUST、金标法对102份TPPA确证阳性血清；5份TPPA可疑血清；220份TPPA确证阴性血清进行实验；比较3种梅毒初筛方法的敏感度和特异度。结果:TP-ELISA敏感度98.；04%25；特异度100%25;