Ulrich HEININGER Professor for Paediatrics Head of Division of Paediatric Infectious Diseases University of Basel Children's Hospital, Basel, Switzerland Ulrich Heininger has been in charge of the Division of Paediatric Infectious Diseases and Vaccinology at the University of Basel Children’s Hospital, Basel, Switzerland, since 1998. He is a professor of paediatrics at the University of Basel and his research is focused on vaccine-preventable diseases, vaccines, and vaccine safety. Ulrich Heininger served a member of the Global Advisory Committee on Vaccine Safety (GACVS) of the World Health Organization. He is one of 9 scientists and founding member running the INFOVAC service, a Swiss nationwide information network for vaccine related questions raised by physicians and pharmacists. Ulrich has been member of the National Immunization Technical Advisory Groups (NITAG) of Germany since 2001 and of Switzerland from 2004 to 2019, respectively. He was board member (treasurer), 1999-2005, and president of the European Society of Pediatric Infectious Diseases, ESPID, from 2009 to 2012. He serves on the editorial board of several scientific journals and has published more than 300 scientific publications in the field of infectious diseases and vaccines.