[Objective]To understand the antibody level of epidemic cerebrospinal meningitis(ECM) and the affectability to ECM diplococcus of the population in Jinan,in order to provide scientific basis for immunological prophylaxis against ECM.

• [目的]了解济南市人群流脑抗体水平、人群对脑膜炎双球菌的易感性,为流脑的免疫预防提供科学依据。