EU’s executive arm has proposed launching digital certificates showing the holders pose no health risk from coronavirus, and to coordinate lifting of lockdowns The certificates would prove travellers have been vaccinated, recovered from the virus or recently tested negative, and could be in place by mid-June A KLM Cityhopper Embraer ERJ-175 flight approaches Schiphol International Airport in Amsterdam, the Netherlands. The EU’s plan to ease coronavirus-induced restrictions on travel has given Europe’s battered airlines hope. Photo: Getty Images