Influenza surveillance during the post-pandemic influenza 2010/11 season in Greece, 04 October 2010 to 22 May 2011 Athanasiou, M and Baka, A and Andreopoulou, A and Spala, G and Karageorgou, K and Kostopoulos, L and Patrinos, S and Sideroglou, T and Triantafyllou, E and Mentis, A and Malisiovas, N and Lytras, T and Tsiodras, S and Panagiotopoulos, T and Bonovas, S, Eurosurveillance, 16, 20004 (2011), https://doi.org/10.2807/ese.16.44.20004-en