Molecular Epidemiology of SARS-CoV-2 in Greece Reveals Low Rates of Onward Virus Transmission after Lifting of Travel Restrictions Based on Risk Assessment during Summer 2020 oleh Evangelia Georgia Kostaki, Georgios A. Pavlopoulos, Kleio-Maria Verrou, Giannis Ampatziadis-Michailidis, Vaggelis Harokopos, Pantelis Hatzis, Panagiotis Moulos, Nikolaos Siafakas, Spyridon Pournaras, Christos Hadjichristodoulou, Fani Chatzopoulou, Dimitrios Chatzidimitriou, Periklis Panagopoulos, Panagiota Lourida, Aikaterini Argyraki, Theodoros Lytras, Spyros Sapounas, Gerasimos Gerolymatos, Georgios Panagiotakopoulos, Panagiotis Prezerakos, Sotirios Tsiodras, Vana Sypsa, Angelos Hatzakis, Cleo Anastassopoulou, Nikolaos Spanakis, Athanasios Tsakris, Meletios Athanasios Dimopoulos, Anastasia Kotanidou, Petros Sfikakis, Georgios Kollias, Gkikas Magiorkinis, Dimitrios Paraskevis