Beyond the influenza-like illness surveillance: The need for real-time virological data Casalegno, J S and Frobert, E and Escuret, V and Bouscambert-Duchamp, M and Billaud, G and Mekki, Y and Schuffenecker, I and Lina, B and Morfin, F and Valette, M, Eurosurveillance, 16, 19756 (2011), https://doi.org/10.2807/ese.16.01.19756-en