Immunization (Vaccines)

Immunization is widely recognized as one of the greatest public health achievements of the twentieth century. Vaccines save lives, prevent the spread of diseases and reduce health care costs. Immunization programs are an important foundation of Ontario’s health system. We provide expertise in immunization and vaccine preventable disease.

For information specific to COVID-19, please visit the COVID-19 Vaccine webpage.


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

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Immunization and Vaccine Preventable Diseases

Updated 19 April 2024