BERLIN, GERMANY - AUGUST 18: Not used throat swab samples stand at a Covid-19 testing station set up at Berlin main railway station (Hauptbahnhof) during the coronavirus pandemic on August 18, 2020 in Berlin, Germany. German authorities are expanding their testing of travelers arriving from abroad in an effort to stem the spread of the virus. Germany has seen an uptake in infections over the last month, which health authorities attribute to people returning from their holidays in countries that have become coronavirus higher-risk areas. (Photo by Maja Hitij/Getty Images)