Meningococcal Disease.Meningococcal disease (bacterial meningitis) is a bacterial infection in the lining of the brain or spinal cord.

• 脑膜炎球菌病脑膜炎球菌病（细菌性脑膜炎）是指脑部的脑膜或者脊椎周围的脊髓受到细菌感染。