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A worker wearing a mask walks past the new modular structure on the grounds of Trillium Health Partners (THP) Mississauga Hospital in Mississauga, Ontario, Canada, April 11, 2020. A new modular structure is on construction on the grounds of THP Mississauga Hospital as a temporary facility with more than 80 beds for COVID-19 patients. (Photo by Zou Zheng/Xinhua)