Invasive pneumococcal disease in a tertiary hospital in Madrid: are we using pneumococcal vaccine correctly? María Isabel Serrano-Tomás; Margarita Cabello; Paloma Moreno-Nuñez; Juan Carlos Sanz; Rafael Cantón; Ana María Sánchez-Díaz;

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

Enfermedad neumocócica invasiva antes, durante y después de la pandemia de SARS-CoV-2 Irati Arregui García; Iñaki Beguiristain; Miguel Fernández-Huerta; Jesús Castilla; María Eugenia Portillo Bordonabe;