Fig. 1From: Double-counting of populations in evidence synthesis in public health: a call for awareness and future methodological developmentForest plots for meta-analysis of adjusted RR for infectivity of COVID-19 in people with Asian or Black ethnicity versus those of White ethnicity (Blue: including all eligible studies; Red: after removal of studies with overlapping populations) in case study 1. Note: Z Raisi-Estabragh et al., [20] is not included in the figure as they did not report adjusted RR Back to article page