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;

Progression towards microelimination of hepatitis B virus infection among people living with HIV in Spain Marta Santos; Jesica Martín Carmona; Anais Corma-Gómez; Margarita Pérez-García; Carmen Martín-Sierra; Pilar Rincón-Mayo; Juan Antonio Pineda; Luis Miguel Real; Juan Macías;

Seroprevalence status of vaccine-preventable diseases in migrants living in shelter centers in Barcelona, Spain Carles Rubio Maturana; Marta Guerrero; Maria Casas Claramunt; Susana Nuria Ayala-Cortés; Victoria López; Patricia Martínez-Vallejo; Begoña Treviño; Elena Sulleiro; Juliana Esperalba; Ariadna Rando; Diana Pou; Maria Luisa Aznar; Pau Bosch-Nicolau; Fernando Salvador; Inés Oliveira-Souto; Israel Molina; Núria Serre-Delcor;