Fig. 1
From: The broader economic impact of vaccination: reviewing and appraising the strength of evidence
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12916-015-0446-9/MediaObjects/12916_2015_446_Fig1_HTML.gif)
A conceptual framework for pathways to the broader economic impact of vaccines. Boxes are shaded in colours corresponding to different major categories in Table 1