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People wearing face masks take photos in Geneva, Switzerland, on March 31, 2020. As of Tuesday morning, Switzerland has reported 16,176 confirmed COVID-19 cases and 373 deaths. (Xinhua/Nie Xiaoyang)

People wearing face masks take photos in Geneva, Switzerland, on March 31, 2020. As of Tuesday morning, Switzerland has reported 16,176 confirmed COVID-19 cases and 373 deaths. (Xinhua/Nie Xiaoyang)