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A medical worker, wearing a full protective gear, takes a nose swab from a traveller who arrived from U.K., to be tested for COVID-19 in a Red Cross test center at Gare du Midi international train station in Brussels, Tuesday, January 19, 2021. Belgium is strengthening its rules for travellers entering the country by train or bus in a bid to limit the spread of a more contagious variant of the coronavirus detected in Britain. (Photo by Francisco Seco/AP Photo)
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