Genomic non-coding regions reveal hidden patterns of mumps virus circulation in Spain, 2005 to 2015 Gavilán, Ana M and Fernández-García, Aurora and Rueda, Angel and Castellanos, Ana and Masa-Calles, Josefa and López-Perea, Noemí and Torres de Mier, María V and de Ory, Fernando and Echevarría, Juan E, Eurosurveillance, 23, 17-00349 (2018), https://doi.org/10.2807/1560-7917.ES.2018.23.15.17-00349