Sergio Brusin an Italian epidemiologist and public health advisor. Brusin is the former Principal Expert Response and Emergency Operations at the European Centre for Disease Prevention and Control. Brusin developed the ECDC infectious disease risk assessment methodology that is used by ECDC and other public health institutions in assessing the risk posed by communicable disease events. In early March 2020, Brusin urged the UK government to take action and urgently implement lockdown measures referring to Italy as the catastrophic example to avoid. He also advocated for far fewer travel restrictions during the COVID-19 pandemic recommending to concentrate the response efforts to stricter domestic control measures strongly enforced. As of 2024, Brusin is the Head of the MedCOI Sector at the European Union Agency for Asylum (EUAA)—formerly known as the European Asylum Support Office (EASO). At the EUAA he co-authored the first ever MedCOI methodology EUAA MedCOI Methodology He is one of the contributors to the Strengthening Data Sharing for Public Health project by Chatham House. The initiative aims to enhance public health by facilitating the sharing of surveillance data, promoting regional collaborations, capacity building, and improving risk management while addressing technical, ethical, and legal concerns.