Meningitis diplococcus is concealed in the nose pharynx secretion of patient or carrier, basically wait for You Feimei to travel from air directly through cough, sneeze, conversation, enter respiratory tract and cause infection.

• 脑膜炎双球菌隐藏于患者或带菌者的鼻咽分泌物中，主要通过咳嗽、打喷嚏、说话等由飞沫直接从空气传播，进入呼吸道而引起感染。