How do we know the COVID-19 vaccine is safe? Who reviews it? You sent us questions, and we asked an expert at Health Canada How do we know the COVID-19 vaccine is safe? Who reviews it? You s... https://www.mykawartha.com/news-story/10276697-how-do-we-know-t... 2 of 10 11/30/2020, 10:30 AM