Meningococcal disease is an infection caused by meningococcal bacteria and spread through direct contact with the nose or throat secretions of an infected person. These bacteria can cause:
- Meningococcal meningitis: An inflammation of the covering of the brain and spinal column. Even with treatment, about 1 of every 20 children will die.
- Meningococcemia (even more serious): An infection of the blood and parts of the body. Even with treatment, about 1 of every 2 children will die or have permanent damage.