Local resident Flora Kavoura, 74, receives a first dose of the Pfizer-BioNTech vaccine against COVID-19 as her daughter-in-law Maria Karamani, left, attends at a vaccination center on the Aegean island of Naxos, Greece, Tuesday, May 11, 2021. A vaccination program for Greek islands is being accelerated to cover all local residents by the end of June, the government has announced ahead of the launch of the tourism season. (AP Photo/Thanassis Stavrakis)