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Learning from water treatment and hygiene interventions in response to a hepatitis E outbreak in an open setting in Chad | Journal Article / Research | MSF Science Portal
Journal Article
|Research

Learning from water treatment and hygiene interventions in response to a hepatitis E outbreak in an open setting in Chad

Spina A, Beversluis D, Irwin A, Chen A, Nassariman JN, Ahamat A, Noh I, Oosterloo J, Alfani P, Sang S, Lenglet AD, Taylor DL
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Abstract
In September 2016, Médecins Sans Frontières responded to a hepatitis E (HEV) outbreak in Chad by implementing water treatment and hygiene interventions. To evaluate the coverage and use of these interventions, we conducted a cross-sectional study in the community. Our results showed that 99% of households interviewed had received a hygiene kit from us, aimed at improving water handling practice and personal hygiene and almost all respondents had heard messages about preventing jaundice and handwashing. Acceptance of chlorination of drinking water was also very high, although at the time of interview, we were only able to measure a safe free residual chlorine level (free chlorine residual (FRC) ≥0.2 mg/L) in 43% of households. Households which had refilled water containers within the last 18 hours, had sourced water from private wells or had poured water into a previously empty container, were all more likely to have a safe FRC level. In this open setting, we were able to achieve high coverage for chlorination, hygiene messaging and hygiene kit ownership; however, a review of our technical practice is needed in order to maintain safe FRC levels in drinking water in households, particularly when water is collected from multiple sources, stored and mixed with older water.

Countries

Chad

Subject Area

water and sanitationoutbreaksinfections, viral

Languages

English
DOI
10.2166/wh.2018.258
Published Date
01 Apr 2018
PubMed ID
29676758
Journal
Journal of Water and Health
Volume | Issue | Pages
Volume 16, Issue 2, Pages 223-232
Issue Date
2018-02-06
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