Invasive Meningococcal Disease

Invasive meningococcal disease (IMD) is caused by the bacteria Neisseria meningitidis. It is an uncommon, but serious disease spread through close contact with someone who has the bacteria in their nose and mouth. IMD can lead to swelling of tissues surrounding the brain (meningitis) or bloodstream infection and causes complications such as hearing loss, amputations and death. IMD is treated with antibiotics. In Ontario, infants and students are routinely vaccinated to protect them from IMD.

To obtain or inquire about an immunization record, or for general immunization information, please contact your local public health unit.



PHO Grand Rounds: The Kids are Alright: Inspiring Learning Through Global Citizenship

This session will help attendees understand how digital technology can be used to provide timely, accurate and relevant immunization education in Ontario schools. 

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Immunization and Vaccine-Preventable Diseases

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Updated 12 April 2019