The issue of drug shortages is not unique to Canada. Many other countries in the world experience shortages and, like Canada, have mitigation measures that they put in place as soon as they identify signals of shortages. Health Canada works behind the scenes. Many of these shortages will not be felt or seen at the patient level. That may be why you haven't heard about it—because they are being managed.
On November 15th, 2022. See this statement in context.