He has a degree in Medicine (1977), and specialization in Infectious Diseases (1981), Internal Medicine (1985), and Civil Protection (1986).
Currently he is Director of the Clinical and Research Infectious Disease Department and of an Infectious Disease Unit at the National Institute for Infectious Diseases “Lazzaro Spallanzani” in Rome.
He his researcher at Clinical Microbiology and Infection Prevention, University Medical Center of Groningen University, Groningen, The Netherlands; he is Lecturer at the Catholic University of Zagreb, Croatia.
In April 2017 he got the National Qualification for Full Professor.
He was Contract Professor at La Sapienza and TorVergata Universities; Professor of Hygiene at the Unicamillus
He was (2012-2014) President of SIMPIOS (Italian Multidisciplinary Society for the Prevention of Healthcare associated Infections).
Currently he is co-leader of the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) Emerging Infection Taskforce, and Chair of the International Affairs SubCommittee of ESCMID. r of the EurMID ID Su of the European Board of Infectious Diseases of the European Union of Medical Specialists (UEMS) and President of the Multidisciplinary Joint Committee- Infection Control of UEMS.
He was member of the ESCMID ID Subcommittee.
He was WHO clinical and IPC consultant in Lagos, Nigeria for the 2014 Ebola epidemic.
His clinical and research interests focus on emerging infections and on severe, healthcare acquired and systemic infections, in particular those caused by multidrug resistant organisms.
He is author of 332 articles in peer reviewed journals (H-index 46; citations 9159; P 13,45%; U 23,9%; PMA 8,55), and of several chapters on infectious disease books.
He is Editor-in-Chief of Infectious Disease Reports.