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A shop assistant wearing a face mask posts a "Store Closed" sign on the front door of a store in Toronto, Ontario, Canada, on April 8, 2021. As COVID-19 cases rise due to more transmissible variants spreading across Canada, populous provinces in the country are reinstating public health restrictions to stem the pandemic. Ontario province imposed a provincewide stay-at-home order that went into effect at 12:01 a.m. Thursday and lasts 28 days. (Photo by Zou Zheng/Xinhua)