Behaviour of the pandemic H1N1 influenza virus in Andalusia, Spain, at the onset of the 2009-10 season Mayoral Cortés, J M and Puell Gómez, L and Pérez Morilla, E and Gallardo García, V and Duran Pla, E and Fernandez Merino, J C and Guillén Enriquez, J and Carmona, J C and Andérica, G and Mateos, I and Navarro Marí, J M and Pérez Ruiz, M and Daponte, A, Eurosurveillance, 14, 19433 (2009), https://doi.org/10.2807/ese.14.49.19433-en