Semmelweis discovered that the incidence of puerperal fever could be drastically cut by the use of hand disinfection.

赛麦尔·维斯发现，产褥热病例可以通过洗手大大减少。

He urged fellow surgeons to wash themselves, put on clean clothes and refrain from deliveries for 48 hours after coming into contact with a case of puerperal fever.

他敦促美国外科医生勤洗澡，穿着干净衣服，避免接触到的产褥热患者后48小时内参与分娩。