Basili, Marcello; Ferrini, Silvia; Montomoli, Emanuele - Dipartimento di Economia Politica e Statistics, … - 2012
Background: During the global pandemic of N1H1 (2009) influenza, many Governments signed contracts with vaccine producers for a universal influenza immunization program and bought hundreds of millions of vaccines doses. We argue that, as Health Ministers assumed the occurrence of the worst...