Title:Influenza vaccine effectiveness in preventing hospitalisation of individuals 60 years of age and over with laboratory-confirmed influenza, Valencia Region, Spain, influenza season 2016-17 / Ainara Mira Iglesias ... et al.
Title:Water habits and hygiene education to prevent diarrhoeal diseases: the Zambezi River basin in Mozambique / Francisco González-Gómez, Enrique Lluch-Frechina and Jorge Guardiola.