Fig. 2

PRISMA flowchart and overview of the study selection according to the sub-Saharan African region according to the United Nations, country, and study period. All countries from which studies with data on antimicrobial resistance were included and are represented on the map. Their color corresponds to the sub-Saharan African region to which they belong according to the United Nations. No studies were included from countries presented in gray. NTS, non-typhoidal Salmonella; years ‘90–‘19, years 1990–2019