A Polish health official checks the temperature of returning Poles crossing the Polish-German border from the eastern German town of Frankfurt (Oder) to Slubice on March 16, 2020, as measures are taken to slow down the spread of the novel coronavirus. - Polish Prime Minister Mateusz Morawiecki said Poland's borders would be closed to foreigners for 10 days, but that the government might prolong the shutdown. Two weeks of quarantine will also be imposed on people returning from abroad. (Photo by Odd ANDERSEN / AFP)