The methods of TRUST and ELISA were used to detect syphilis antibody in 60 012 sera from gratis blood donors in Jining. 22 of 60 012 were positive with positive rate of 0.037%.

• 使用TRUST及ELISA方法检测济宁市中心血站无偿献血者血清60012份；结果梅毒抗体阳性22份；阳性率0.；037%25。