Workers unload a cargo plane at Eleftherios Venizelos International Airport in Athens, Tuesday, March 31, 2020. cores of countries have moved to restrict the export of face masks, gloves and other medical supplies critical for front-line workers in the fight against the COVID-19 pandemic, leaving Canada and other states scrambling to source products that now have higher price tags.THE CANADIAN PRESS/AP Photo-Thanassis Stavrakis