There are many strategies to change people’s transmission-related behaviours as a method for flattening the peak of the epidemic. Changing behaviour is not easy. However, there are many strategies to help people change behaviour that focus on increasing motivation, capability and/or opportunity to perform the behaviours. Here we focus on strategies that improve motivation or capability.

Behaviour change principle 1: Create a mental model.

Behaviour change principle 2: Create social norms.

Behaviour change principle 3: Create the right level and type of emotion.

Behaviour change principle 4: Replace one behaviour with another

Behaviour change principle 5: Make the behaviour easy.