Some moment bacteria also can pass path of bowel of nose pharynx ministry, the upper respiratory tract, skin, mucous membrane, stomach to pass blood-vessel or the lymphatic organization all round to enter a head, cause meningitis.

• 有的时候细菌也可以通过鼻咽部、上呼吸道、皮肤、粘膜、胃肠道通过血管或四周的淋巴组织进入脑，引起脑膜炎。