Correction: Influenza vaccination coverage and factors associated with severe laboratory-confirmed influenza-related illness in patients receiving care at a tertiary hospital in Catalonia (Spain) during the 2018–2019 epidemic season
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by Guillermo Mena, Irma Casas, Cristina Casañ, Mario Auñón, Lurdes Matas, Josep-Maria Mòdol, María Esteve