This paper presents a case study exploring the use of speculative artefacts framed within the
Fictional Inquiry co-design technique. The case is derived from a project investigating
current practices and potential future strategies to improve patients' hand hygiene standards
at the Department of Oncology of Aarhus University Hospital. This paper explores how five
speculative artefacts were designed and used to inquire into participants' experiences of
their hand hygiene, both concerning current practice and future ideas. Our study …