455. Epidemiological Surveillance in Points of Care for Refugees/Migrants: The 2016–2017 Experience in Greece

In 2016 and 2017, 535,000 refugees/migrants crossed the Mediterranean Sea to reach Europe, with 203,000 arriving in Greece. To address enhanced epidemiological surveillance needs, in May 2016 Greece established an ad hoc surveillance system in points of care for refugees/migrants in hosting centers, complementary to routine surveillance