梅毒是由苍白螺旋体感染而引起的一种慢性性传播疾病 (STD) ,新中国成立后 ,195 5年已无新病例报告 ,但进入 2 0世纪 80年代后出现零星病例。 90年代至今病例逐年增多 ,呈再度流行 ,我们总结了1990～ 1999年本市报告的新病例 ,以引起重视。1　材料与方法门诊确诊的梅毒新病例按 Syphilis is a chronic sexually transmitted disease (STD) caused by Paratyphoid infection. Since the founding of New China, no new cases have been reported in 1955, but sporadic cases have emerged since the 1980s. Since the 1990s, the number of cases has been increasing year by year. The prevalence is again prevailing. We have summarized the new cases reported by the municipality from 1990 to 1999 to attract attention. 1 Materials and Methods Outpatient diagnosis of new cases of syphilis press