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Analysis of fecal sludges reveals common enteric pathogens in urban Maputo, Mozambique
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2020
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Source: Environ Sci Technol Lett. 7(12):889-895
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Alternative Title:Environ Sci Technol Lett
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Description:Sewage surveillance is increasingly used in public health applications: metabolites, biomarkers, and pathogens are detectable in wastewater and can provide useful information about community health. Work on this topic has been limited to wastewaters in mainly high-income settings, however. In low-income countries, where the burden of enteric infection is high, non-sewered sanitation predominates. In order to assess the utility of fecal sludge surveillance as a tool to identify the most prevalent enteric pathogens circulating among at-risk children, we collected 95 matched child stool and fecal sludge samples from household clusters sharing latrines in urban Maputo, Mozambique. We analyzed samples for 20 common enteric pathogens via multiplex real-time quantitative PCR. Among the 95 stools matched to fecal sludges, we detected the six most prevalent bacterial pathogens (|, |/|, |, |, shiga-toxin producing |, |) and all three protozoan pathogens (|, |, |) in the same rank order in both matrices. We did not observe the same trend for viral pathogens or soil-transmitted helminths, however. Our results suggest that sampling fecal sludges from onsite sanitation offers potential for localized pathogen surveillance in low-income settings where enteric pathogen prevalence is high.
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Pubmed ID:38881628
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Pubmed Central ID:PMC11177333
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Volume:7
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Issue:12
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