title: Letter to the editor: Responding to a call for action--where are we now?
authors.affiliation: National Centre for Epidemiology, Surveillance and Health Promotion, Istituto Superiore di Sanità, Rome, Italy.
authors.forename: Flavia
authors.initials: F
authors.lastname: Riccardo
authors.forename: Paolo
authors.initials: P
authors.lastname: Giorgi Rossi
authors.forename: Antonino
authors.initials: A
authors.lastname: Chiarenza
authors.forename: Teymur
authors.initials: T
authors.lastname: Noori
authors.forename: Silvia
authors.initials: S
authors.lastname: Declich
mesh_terms: D003441:Crowding; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D012036:Refugees