Risk Factors for Meningitis


You are at risk for Meningitis if you

  • Have a missing or non-functional spleen. Your spleen has been removed or doesn’t function. One dose of meningococcal vaccine is usually recommended, although an additional dose may be needed if you continue to be at high risk. Check with your doctor.
  • Are 11-18 years of age.
  • Are a first-year college student. If you are a first-year college student AND live in a dormitory, you should receive this vaccine.
  • Are an international traveler. You should receive this vaccine if you travel to or live in countries where meningitis is widespread, such as the "meningitis belt" of sub-Saharan African during the dry season (December through June) or to Saudi Arabia in association with the Hajj pilgrimage.
  • Are a Laboratory worker or microbiologist. If you work in a research, clinical, or industrial laboratory and are routinely exposed to meningococcal bacteria, you should receive this vaccine.
  • Are a military recruit.
  • Have persistent complement component deficiency, an immune system disorder. Talk with your doctor or healthcare professional to find out about your need for meningococcal vaccine. The vaccine is given for certain diseases of the immune system.
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