Fig. 1From: Train-the-Trainers in hand hygiene: a standardized approach to guide education in infection prevention and controlTrain-the-Trainers in Hand Hygiene, June 2016–July 2019. Timeline chart showing the evolution of the Train-the-Trainers (TTT) programme between June 2016 and July 2019. *Replicas are organized by former TTT course participants and local IPC organizers. Note: The term TTT programme depicts the overall process that includes the original first courses and replicasBack to article page