Positive deviance approaches to improving vaccination coverage rates within healthcare systems: a systematic review

Aim: Our objective was to systematically review the use of the positive deviance approach to identify strategies to improve vaccination coverage rates. Materials & methods: We searched English language articles in Medline, Embase, Cochrane Library, CINAHL and PsycINFO without any date restrictions on 4 October 2017. We compiled a list of all strategies and evaluated the quality of these studies using the QATSDD tool. Results: After a review...