Some provinces, including Alberta, Ontario and Quebec, are starting to reopen after lockdowns. But medical experts warn that we're not out of the woods when it comes to tackling COVID-19, and that reopening too soon could backfire. Matt Galloway speaks with Dr. Christopher Labos, a cardiologist and epidemiologist in Montreal; Dr. Raj Bhardwaj, an urgent care doctor in Calgary; and Cynthia Carr, an epidemiologist in Winnipeg.