Stuart Blume is professor emeritus of science and technology studies at the University of Amsterdam, having previously worked at the OECD, LSE, and in Whitehall. His publications on the development and introduction of new health care technologies include the book Immunization: How Vaccines Became Controversial (Reaktion 2017/2021). The seminar will discuss the origins, uses, and possible futures of the concept of ‘vaccine hesitancy’.