Necrotizing pneumonia due to Streptococcus pneumoniae in children during the period of non-systematic use of PCV13 in Catalonia, Spain Sebastià González-Peris; Magda Campins; Juan José García-García; Álvaro Díaz-Conradi; Ángela Domínguez; Pilar Ciruela; Mariona F. de Sevilla; Sergi Hernández; Carmen Muñoz-Almagro; Conchita Izquierdo; Gemma Codina; Sonia Uriona; Cristina Esteva; Anna Solé-Ribalta; Núria Soldevila; Ana María Planes; Johanna Martínez-Osorio; Luis Salleras; Fernando Moraga-Llop;

Epidemiology of pneumococcal diseases in Spain after the introduction of pneumococcal conjugate vaccines Jose Maria Marimon; Carmen Ardanuy;

Evolution of the distribution of Streptococcus pneumoniae serotypes isolated in pleural fluid in the Madrid Autonomous Community between the years 2007¿2018 Juan Carlos Sanz; Sara de Miguel; María Ordobás; Luis García Comas;