![BRIGHTON, ENGLAND - MARCH 19: Railway staff carry out lateral flow covid tests on colleagues in a temporary testing facility on a converted train parked on platform eight of Brighton railway station on March 19, 2021 in Brighton, England. Govia Thameslink Railway have set up a Covid-19 testing centre for railway staff operating from a Southern Railway train carriage at Brighton Station's platform eight. Staff from Southern, Thameslink, Great Northern and Gatwick Express can get twice-weekly lateral flow tests giving results within half an hour. (Photo by Chris Eades/Getty Images)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/J23RSPKQMHFIBDZ4M4HFHFTO7I.jpg?smart=true&auth=9881897802d09eee42792b9ac2d2cf153ab8a620e0c8dde0085309fc1c5ccd95&width=400&height=225)
Staff carry out a lateral flow Covid-19 tests on colleagues in a temporary testing facility in Brighton, England. Getty Images
Staff carry out a lateral flow Covid-19 tests on colleagues in a temporary testing facility in Brighton, England. Getty Images
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