A measles outbreak in children under 15 months of age in La Rioja, Spain, 2005-2006 Perucha, M and Ramalle-Gómara, E and Lezaun, M E and Blanco, A and Quiñones, C and Blasco, M and Gonzalez, M A and Cuesta, C and Echevarria, J E and Mosquera, M M and de Ory, F, Eurosurveillance, 11, 649 (2006), https://doi.org/10.2807/esm.11.10.00649-en