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Meningococcal Conjugate ACYW

The meningococcal conjugate ACYW vaccine protects against illness caused by four types (A, C, Y, and W-135) of meningococcal bacteria (Neisseria meningitidis).

• Routinely given to grade 7 students as part of the school immunization program. This provides a booster dose for group C which they should have received at 1 year of age, as well as protection against three additional strains of this bacteria. This is free for all students born in or after 1997.
• This vaccine is only available publicly funded (free) for those in the following high risk groups :

• Anyone who does not have a spleen, or whose spleen is not working well.
• Anyone with congenital complement, properdin, factor D deficiency or primary antibody deficiencies.
• Anyone who has or will have a cochlear implant.
• Anyone who has HIV.
• Anyone with acquired complement deficiencies.
• Close contacts of those infected.

• This vaccine may be recommended for others based on risk factors, however they would have to purchase this vaccine.

• 80-85 % of people were protected, 3-4 years following vaccination as a teenager.
• Effectiveness does wane over time and booster doses are recommended to those who are at a higher risk.

• At this time there are no other ways to prevent this disease. Hand washing and covering the mouth and nose while coughing/sneezing can help reduce the spread of disease.
• Meningococcal bacteria is also spread by sharing items that come in contact with the nose and throat (i.e. lipstick, water bottles, straws, toothbrushes), so not sharing these items decreases the risk of spreading this bacteria.

• The risk of a serious reaction or side effect from this vaccine is much less than the risk of meningococcal disease.
• If you experience any side effect worse than what is listed below, please seek medical advice and notify the health unit. 


• Pain in the muscle
• Swelling
• Redness
• Fatigue
• Headache
• Fever


• Anaphylaxis

* Guillain-Barre Syndrome (GBS) was initially raised as a concern due to case reports to the Vaccine Adverse Event Reporting System (VAERS) in the United States, following Menactra® injection. Two large studies were since conducted, and 0 cases of GBS were seen during the 6 weeks following over 2.2 million doses given to 11-21 year olds.


• Anyone with an allergy to any of the vaccine components or who has had an allergic or anaphylactic reaction to meningococcal vaccine.




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Disodium hydrogen phosphate bihydrate


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Potassium dihydrogen phosphate


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Laxatives, food additive-emulsifier, leavening agent for baked goods




Table sugar




Medication- for Metabolic Acidosis

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