'Work self-isolation' at 2 Toyota plants in Ontario questioned by employee, epidemiologist Some employees at Toyota plants in Cambridge and Woodstock were told recently to follow a “work self-isolation" policy, a measure officials say is uncommon outside health-care settings. Social Sharing 'Why would they not want a high-risk close contact to stay home for 7 days?' says 13-year employee Posted: Apr 07, 2021 5:15 PM ET | Last Updated: April 7 Line workers assemble a Lexus SUV at the Toyota plant in Cambridge, Ont., in this stock photo. Some workers at two Toyota plants were recently told to follow a workplace self-isolation policy after a third-party contractor tested positive. (Aaron Lynett/The Canadian Press)