Regional and sex differences in infective endocarditis mortality in Spain Lucía Cayuela; Clara Peiró Villalba; Beatriz Valle Borrego; Aurelio Cayuela;

New COVID-19 vaccination recommendations in Spain: Optimizing for next seasons Pilar Arrazola; María Fernández Prada; Ángel Gil; José Gómez Rial; Cristina Hernán; Rosario Menéndez; Antoni Trilla; Raúl Ortiz de Lejarazu;

Alarming incidence of reinfections after treatment for Chlamydia trachomatis and gonorrhoea: Can we predict and prevent them? Josefina López de Munain; Maria del Mar Cámara Pérez; Miriam López Martinez; Jose Angel Alava Menica; Leonora Hernandez Ragpa; Manuel Imaz Pérez; Maria José Teijeiro Pulido; Iker Mojas Díez; Mireia de la Peña Trigueros; Jose Luis Díaz de Tuesta del Arco; Josefa Muñoz Sánchez;