Evaluation of detection performance and cost-effectiveness of IDEXX Colilert-18 and ChromAgar for environmental surveillance of extended-spectrum beta-lactamase Escherichia coli in water samples from urban marketplaces in Blantyre, Malawi.

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Title: Evaluation of detection performance and cost-effectiveness of IDEXX Colilert-18 and ChromAgar for environmental surveillance of extended-spectrum beta-lactamase Escherichia coli in water samples from urban marketplaces in Blantyre, Malawi.
Authors: Masoamphambe EF; Malawi-Liverpool Wellcome Programme, Blantyre, Malawi.; Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, United Kingdom., Chipinga J; Malawi-Liverpool Wellcome Programme, Blantyre, Malawi., Mphasa M; Malawi-Liverpool Wellcome Programme, Blantyre, Malawi., Chidziwitsano K; Centre for Water, Sanitation, Health, and Appropriate Technology Development (WASHTED), Blantyre, Malawi.; Malawi University of Business and Applied Sciences, Blantyre, Malawi., Panulo M; Centre for Water, Sanitation, Health, and Appropriate Technology Development (WASHTED), Blantyre, Malawi.; Malawi University of Business and Applied Sciences, Blantyre, Malawi., Jafali J; Malawi-Liverpool Wellcome Programme, Blantyre, Malawi., Feasey N; Malawi-Liverpool Wellcome Programme, Blantyre, Malawi.; Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, United Kingdom.; School of Medicine, University of St Andrews, St Andrews, United Kingdom., Berendes D; U.S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA., Kirby A; U.S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA., Morse T; Centre for Water, Sanitation, Health, and Appropriate Technology Development (WASHTED), Blantyre, Malawi.; Department of Civil and Environmental Engineering, University of Strathclyde, Glasgow, United Kingdom., Cocker D; Malawi-Liverpool Wellcome Programme, Blantyre, Malawi.; Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, United Kingdom.; David Price Evans Infectious Disease and Global health Group, University of Liverpool, Liverpool, United Kingdom.
Source: Microbiology spectrum [Microbiol Spectr] 2026 Jul 07; Vol. 14 (7), pp. e0169525. Date of Electronic Publication: 2026 May 20.
Publication Type: Journal Article; Evaluation Study
Journal Info: Publisher: ASM Press Country of Publication: United States NLM ID: 101634614 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2165-0497 (Electronic) Linking ISSN: 21650497 NLM ISO Abbreviation: Microbiol Spectr Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:2165-0497
DOI:10.1128/spectrum.01695-25