Only 0.5 per cent of COVID-19 cases in fully vaccinated Canadians: Trudeau Poll yes By The Canadian Press on July 27, 2021. Prime Minister Justin Trudeau chats with people waiting for their shots while visiting a COVID-19 vaccination clinic, Thursday, July 15, 2021 in Montreal. Trudeau is urging Canadians who still have not gotten a COVID-19 vaccine to roll up their sleeves, saying that the overwhelming majority of cases are in people who haven't received their two shots.THE CANADIAN PRESS/Ryan Remiorz MONCTON, N.B. – Prime Minister Justin Trudeau is urging Canadians who still have not got a COVID-19 vaccine to roll up their sleeves, saying that the overwhelming majority of cases are in people who haven’t received their two shots.