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Safe drinking water access is a human right, but data on safely managed drinking water services (SMDWS) is lacking for more than half of the global population. We estimate SMDWS use in 135 low- and middle-income countries (LMICs) at subnational levels with a geospatial modeling approach, combining existing household survey data with available global geospatial datasets. We estimate that only one in three people used SMDWS in LMICs in 2020 and identified fecal contamination as the primary limiting factor affecting almost half of the population of LMICs. Our results are relevant for raising awareness about the challenges and limitations of current global monitoring approaches and demonstrating how globally available geospatial data can be leveraged to fill data gaps and identify priority areas in LMICs.

The article discusses research on the impact of inn-line drinking water chlorination on fecal carriage of extended-spectrum beta-lactamase-producing Escherichia coli (ESBL-E. coli) among Bangladeshi children in low-income communities. The study compared the prevalence and concentration of ESBL-E. coli and ESBL-Klebsiella, Enrerobacter, Shigella and Citrobacter groups in fecal samples collected. It determined the occurrence and relative abundance of beta-lactamase genes in fecal samples.