TY - JOUR A1 - Redondo-Bravo, L. A1 - Moros, M.J.S. A1 - Sánchez, E.V.M. A1 - Lorusso, N. A1 - Ubago, A.C. A1 - García, V.G. A1 - Boone, A.L. T1 - The first wave of the COVID-19 pandemic in Spain: Characterisation of cases and risk factors for severe outcomes, as at Y1 - 2020 DO - 10.2807/1560-7917.ES.2020.25.50.2001431 VL - 25 IS - 50 ER -