Customers wearing face masks shop at supermarket in Mississauga, Canada

Customers wearing face masks shop at a supermarket in Mississauga, Ontario, Canada, March 24, 2020. On Monday, the Public Health Agency of Canada said that 44 percent of all COVID-19 cases in the country are the result of community transmission, meaning they have no link to international travel and Canadians could contract the virus while visiting friends or buying groceries. As of Tuesday noon, there are 2,176 confirmed cases of COVID-19 and 24 deaths in Canada. (Photo by Zou Zheng/Xinhua)