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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Forest plot for PEDV vaccine efficacy based on fecal score (a) and survival rate (b). Hedges’ g value indicates an effect size. Diamond at the bottom of the plot represents the average effect size of the studies.