On September 1, 2020, changes were made to the Québec Immunization Program. These changes are based on a recommendation made by the Comité sur l’immunisation du Québec and concern vaccines administered at school. To find out more, go to the Changes made to the school-based vaccination program section.
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Vaccination is the best protection against these diseases and their complications:
Protection against these diseases lasts throughout life.
Since June 1, 2019, Québec’s immunization schedule has provided for the administration of 2 doses of the measles, mumps, rubella and chicken pox vaccine at 12 months and 18 months of age. The vaccine protects against these 4 diseases.
Women receiving the vaccine must avoid becoming pregnant in the month after the vaccination.
Some symptoms may be caused by the vaccine, e.g. redness at the injection site. Other problems may occur by chance and are not related to the vaccine, e.g. cold, gastro, headache.
MMR vaccine is safe. In most cases, it does not cause any reaction.
The nature and frequency of known reactions to vaccine
Known reactions to this vaccine
Very often (less than 50% of people)
Joint pain in adults
Often (less than 10% of people)
Pain and redness at the injection site
Non contagious skin rash and moderate or high fever between the 5th and 12th day after vaccination