Health workers test an Indian national at the Dubai International Airport before leaving the Gulf Emirate on a flight back to his country, on May 7, 2020, amid the novel coronavirus pandemic crisis. - The first wave of a massive exercise to bring home hundreds of thousands of Indians stuck abroad was under way today, with two flights preparing to leave from the United Arab Emirates. India banned all incoming international flights in late March as it imposed one of the world's strictest virus lockdowns, leaving vast numbers of workers and students stranded. (Photo by Karim SAHIB / AFP)