objective to analyses the infectious factors of syphilis sufferers and to find out a valid countermeasure, the rent service personnel of the last two years were investigated.
目的对本地区近二年内出境劳务人员和归国劳务人员梅毒感染者进行病学调查分析其感染因素制定预防对策;
conclusions nosocomial infectious factors are mainly that immune function is lower in the aged and antibiotic is used generally.