. Author manuscript; available in PMC: 2022 Sep 6.
Published in final edited form as: Prehosp Emerg Care. 2021 Nov 3;26(5):632–640. doi: 10.1080/10903127.2021.1993391
This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.
Figure 1.
Forest plot. Abbreviations: Edu, Education; Govt, Government; Vacc, Vaccine.