A serious and potentially fatal bacterial infection
IMD is a serious bacterial infection caused by the N. meningitidis bacteria, which can lead to dangerous and sometimes fatal diseases including:
- meningitis (inflammation of the lining of the brain and spinal cord), and
- sepsis (blood poisoning)
- Sudden fever
- Irritability or agitation
- Intense headache
- Nausea and vomiting
- Stiff neck
- Light sensitivity
- Long-term health problems
(in up to 1 in 3 survivors)
- Hearing loss
- Neurologic disabilities
- Digit or limb amputations
Even when the disease is treated early, 5% to 10% of patients die, typically within 24-48 hours after symptoms start.
10% to 20% of survivors of meningococcal meningitis can suffer from long-term consequences, such as brain damage, hearing loss or learning disabilities.
Who is at risk?
IMD has historically occurred in:
- Other places where there are large groups of teens and young adults
Serogroup B: The most common cause of IMD*
Most common serogroups associated with IMD
There are 5 serogroups of the N. meningitidis bacteria most commonly associated with IMD: A, C, W135, Y and B.
serogroups causing IMD in canada between 2011 and 2015*
Meningococcal B vaccine (MenB)
Not part of the routine immunization program
Meningococcal Conjugate C vaccine (MenC)
Part of the routine immunization program
Quadrivalent Meningococcal Conjugate vaccine (MenACWY)
Part of the routine immunization program in most provinces