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Effects of a Water, Sanitation and Hygiene Mobile Health Program on Respiratory Illness in Democratic Republic of Congo (DRC): WASHmobile PICHA7 Program

In brief

WASHmobile cut reported lower respiratory illness from 12% to 4% in young children

In a cluster-randomized trial in eastern Democratic Republic of the Congo, 4% of children under 5 in households receiving WASHmobile reported acute lower respiratory illness, compared with 12% receiving standard messages over 12 months. The program combined weekly voice and text messages with home visits, but symptoms were self-reported and the findings apply to households of diarrhea patients.

Journal
Tropical medicine & international health : TM & IH (Q1)
Published
26 October 2026
Study design
Randomized controlled trial
Evidence level
Level 1, High (CEBM 1b)
Authors
Presence Sanvura, Kelly Endres, Jean-Claude Rusanga, Jamie Perin, Cirhuza Cikomola, Justin Bengehya, et al.
PMID
42933390
DOI
10.1111/tmi.70229

Why clinicians should know about it

  • Picked for Pediatrics and Child Health (paper of the day, 29 October 2026): Trial reports respiratory illness prevention in children under five

Abstract

BACKGROUND: Globally, acute respiratory infections are a major cause of morbidity and mortality, particularly among young children. Water, sanitation and hygiene (WASH) interventions when combined with mobile health (mHealth) have the potential to reduce the burden of respiratory illness. The WASHmobile mHealth program is a targeted WASH program promoting handwashing with soap, drinking water treatment, and safe water storage to reduce diarrhoea and respiratory illness. METHODS: The WASHmobile PICHA7 program delivers weekly voice and SMS messages and quarterly home visits to diarrhoea patient households. In a two-arm cluster randomized controlled trial of the WASHmobile PICHA7 program conducted in Bukavu, South Kivu province, eastern Democratic Republic of the Congo, 2334 participants were randomized to two study arms: a standard arm, which received a standard message on oral rehydration solution and a basic WASH message delivered at the healthcare facility, and the WASHmobile PICHA7 arm (NCT05166850). During the 12-month surveillance period, self-reported respiratory symptoms were assessed through monthly clinical surveillance. Acute lower respiratory illness (ALRI) was defined as cough and rapid breathing or rapid breathing and difficulty breathing in the past 2 weeks. RESULTS: In total, 699 children under 5 years of age were included in the analysis. Compared to the standard arm, children under 5 years in the WASHmobile PICHA7 arm had significantly lower ALRI during the 12-month study period (Prevalence Ratio: 0.46, 95% Confidence Interval: 0.22, 0.94). Four percent (14/360) of children in the WASHmobile PICHA7 arm reported ALRI during the study period compared to 12% (39/339) of children in the standard arm. CONCLUSION: These results demonstrate that the WASHmobile PICHA7 mHealth program reduced ALRI among children under 5 years old in diarrhoea patient households.

Abstract as published, via PubMed.

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For healthcare professionals. The summary is generated by AI from the published abstract, and the evidence level is assigned automatically from the study design on the Oxford CEBM hierarchy. Neither is medical advice. Read the full paper before changing practice.