BMJ 2019;365:l2068 10 May 2019
- There are common sense reasons why spreading an innovation across an entire health system is hard. Achieving any change takes work, and it usually also involves—in various combinations—spending money, diverting staff from their daily work, shifting deeply held cultural or professional norms, and taking risks. This rapid review discusses three common approaches in innovation spread —implementation science, complexity science, and social science.