Evaluation of the Effectiveness of a Flu Vaccination Campaign for Healthcare Workers of the Fondazione Policlinico Universitario "A. Gemelli" IRCCS and the Catholic University of the Sacred Heart (UCSC): a Pre-post Study

The goal of this observational study is to evaluate the effectiveness of the vaccination strategy implemented during the 2019/2020 flu vaccination campaign compared with the previous one. The main question it aims to answer is whether there are differences in the total coverage of influenza vaccination, in different categories of professionals and in different operating units.