Meningococcal Disease.Meningococcal disease (bacterial meningitis) is a bacterial infection in the lining of the brain or spinal cord.Early symptoms are headache, stiff neck, rash, and fever.

• 某些类型的脑膜炎具有传染性，尤其是特定致病菌如脑膜炎球菌和嗜血菌引发的脑膜炎。