Surveillance of hospitalised patients with influenza-like illness during pandemic influenza A(H1N1) season in Sicily, April 2009 – December 2010 Tramuto, F and Maida, C M and Bonura, F and Perna, A M and Puzelli, S and De Marco, M A and Donatelli, I and Aprea, L and Firenze, A and Arcadipane, A and Palazzo, U and Vitale, F, Eurosurveillance, 16, 19957 (2011), https://doi.org/10.2807/ese.16.35.19957-en