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A man wearing a mask walks past the Attikon University General Hospital, in Athens, Greece, on Feb. 28, 2020. Greece's Health Ministry reported the 4th novel coronavirus case on Friday. (Xinhua/Marios Lolos)
A man wearing a mask walks past the Attikon University General Hospital, in Athens, Greece, on Feb. 28, 2020. Greece's Health Ministry reported the 4th novel coronavirus case on Friday. (Xinhua/Marios Lolos)