Efficacy and safety of hydroxychloroquine in healthcare professionals with mild SARS-CoV-2 infection: Prospective, non-randomized trial Antonia Agusti; Elena Guillen; Alfonso Ayora; Andres Anton; Cristina Aguilera; Xavier Vidal; Cristina Andres; Manuel Alonso; Meritxell Espuga; Juliana Esperalba; Mª Queralt Gorgas; Benito Almirante; Esteban Ribera;

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;

Epidemiology, prevention and control of pertussis in Spain: New vaccination strategies for lifelong protection Juan José González-López; Javier Álvarez Aldeán; Francisco José Álvarez García; Magda Campins; María Garcés-Sánchez; Ruth Gil-Prieto; Ana Mª Grande-Tejada;