Fig. 1From: Drug-resistant enteric fever worldwide, 1990 to 2018: a systematic review and meta-analysisStudy selection. a PRISMA flow chart depicting study screening and selection; approximately 150 studies were received from the Bodleian Library/British National Library. b Data availability plotted by year (x-axis) and country (y‐axis), grouped by region. The number of studies for each country‐year is depicted by the size of the pointBack to article page