Eskild Petersen is an infectious disease specialist who worked in public health at Statens Serum Institut and in clinical infectious diseases at Aarhus University Hospital. He served as chair of the European Society for Clinical Microbiology and Infectious Diseases emerging infectious diseases task force for five years. He moderated ProMED for 22 years and served as Editor-in-Chief of the International Journal of Infectious Diseases for ten years. He is also part of the PandemiX Center at Roskilde University. Lin H. Chen directs the Mount Auburn Hospital Travel Medicine Center, is Associate Professor of Medicine at Harvard Medical School, and is the Past President of the International Society of Travel Medicine. She has served on CDC Advisory Committee on Immunization Practices Working Groups, is Site Director for the GeoSentinel Surveillance and Research Network and is part of the Global Travel Epidemiology Network. Her clinical research focuses on travellers’ health, including vector-borne diseases, immunizations, emerging infections, and cross-border healthcare. Patricia Schlagenhauf is a Professor at the University of Zürich and serves as the Head of the WHO Collaborating Centre for Travellers’ Health and Scientific Group Leader. Her research focuses on travellers’ malaria, emerging vector-borne infections, and infectious disease epidemiology. Active in surveillance of travel-related illness, she is the Director of the European network EuroTravNet since 2022 and the Zürich GeoSentinel Site Director since 1998. Additionally, she holds the position of Editor-in-Chief of New Microbes New Infections.