Nicola Clementi is Associate Professor of Medical Microbiology and Virology at University Vita-Salute San Raffaele and Consultant Virologist at the Laboratory of Microbiology and Virology of San Raffaele Hospital, Milan, Italy. His main research interests include the study of hypervariable viruses and their interplay with the antibody response and with antivirals. In addition, his work focuses on the evaluation of the clinical usefulness of next-generation sequencing techniques in the management of bacterial and viral infections.