A Systematic Review and Meta-Analysis of Fecal Contamination and Inadequate Treatment of Packaged Water

PloS One
Ashley R WilliamsJamie Bartram

Abstract

Packaged water products provide an increasingly important source of water for consumption. However, recent studies raise concerns over their safety. To assess the microbial safety of packaged water, examine differences between regions, country incomes, packaged water types, and compare packaged water with other water sources. We performed a systematic review and meta-analysis. Articles published in English, French, Portuguese, Spanish and Turkish, with no date restrictions were identified from online databases and two previous reviews. Studies published before April 2014 that assessed packaged water for the presence of Escherichia coli, thermotolerant or total coliforms were included provided they tested at least ten samples or brands. A total of 170 studies were included in the review. The majority of studies did not detect fecal indicator bacteria in packaged water (78/141). Compared to packaged water from upper-middle and high-income countries, packaged water from low and lower-middle-income countries was 4.6 (95% CI: 2.6-8.1) and 13.6 (95% CI: 6.9-26.7) times more likely to contain fecal indicator bacteria and total coliforms, respectively. Compared to all other packaged water types, water from small bottles was less likely...Continue Reading

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Citations

Mar 15, 2018·Tropical Medicine & International Health : TM & IH·Jennyfer WolfAnnette Prüss-Ustün
Jun 13, 2018·The American Journal of Tropical Medicine and Hygiene·Danice Guzmán, Justin Stoler
May 31, 2020·Environmental Science and Pollution Research International·Kun ZhangBaoyun Zhang

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Methods Mentioned

BETA
membrane filtration

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