RT Journal Article SR Electronic(1) A1 Redondo-Bravo, Lidia A1 Delgado-Sanz, Concepción A1 Oliva, Jesús A1 Vega, Tomás A1 Lozano, Jose A1 Larrauri, Amparo A1 the Spanish Influenza Sentinel Surveillance System YR 2020 T1 Transmissibility of influenza during the 21st-century epidemics, Spain, influenza seasons 2001/02 to 2017/18 JF Eurosurveillance VO 25 IS 21 SP 1900364 OP DO https://doi.org/10.2807/1560-7917.ES.2020.25.21.1900364 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2020.25.21.1900364