The unusual occurrence of S. aureus bacteremia in a series of patients led to an epidemiologic investigation and molecular typing methods were employed to assess the relatedness of cases.

• 在一系列慢性丙肝病人中发生了这种罕见的金黄色葡萄球菌菌血症，于是我们展开了流行病学调查，并采用分子分型法对菌株进行分类，以评估病例之间是否有关系。