Trial reportThe Pediatric infectious disease journal2019
Enteropathogens and Rotavirus Vaccine Immunogenicity in a Cluster Randomized Trial of Improved Water, Sanitation and Hygiene in Rural Zimbabwe.
Trial report in The Pediatric infectious disease journal, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01824940 (Sanitation, Hygiene, Infant Nutrition Efficacy Project), which is not on this map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Sanitation, Hygiene, Infant Nutrition Efficacy Project
Who cites it
8 citing papers in PubMed, 12 citations in OpenAlex.
- Trial
- The fecal microbiome and rotavirus vaccine immunogenicity in rural Zimbabwean infants.Vaccine · 2021Trial
- Trial
- Early-life gut microbiome composition and rotavirus vaccine-induced IgA responses in U.S. infants: a longitudinal cohort study.EBioMedicine · 2026Article
- Interference Between Enteric Viruses and Live-Attenuated Rotavirus Vaccine Virus in a Healthy Australian Birth Cohort.The Journal of infectious diseases · 2023Article
- Plasma Rotavirus-specific IgA and Risk of Rotavirus Vaccine Failure in Infants in Malawi.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2022Article
- Update on rotavirus vaccine underperformance in low- to middle-income countries and next-generation vaccines.Human vaccines & immunotherapeutics · 2021Review
- Impact of self-financed rotavirus vaccination on acute gastroenteritis in young children in Turkey.Human vaccines & immunotherapeutics · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
18 authors at 5 institutions in 3 countries.
Funding
Abstract
backgroundOral rotavirus vaccines (RVVs) are less efficacious in low-income versus high-income settings, plausibly due to more enteropathogen exposure through poor water, sanitation and hygiene (WASH). We explored associations between enteropathogens and RVV immunogenicity and evaluated the effect of improved WASH on enteropathogen carriage.
methodsWe detected stool enteropathogens using quantitative molecular methods and measured anti-rotavirus immunoglobulin A by enzyme-linked immunosorbent assay in infants enrolled to a cluster randomized 2 × 2 factorial trial of improved WASH and improved infant feeding in Zimbabwe (NCT01824940). We used multivariable regression to explore associations between enteropathogens and RVV seroconversion, seropositivity and geometric mean titer. We evaluated effects of improved WASH on enteropathogen prevalence using linear and binomial regression models with generalized estimating equations.
resultsAmong 224 infants with enteropathogen and immunogenicity data, 107 (47.8%) had ≥1 pathogen and 39 (17.4%) had ≥2 pathogens detected at median age 41 days (interquartile range: 35-54). RVV seroconversion was low (23.7%). After adjusting for Sabin-poliovirus quantity, pan-enterovirus quantity was positively associated with RVV seroconversion (relative risk 1.61 per 10-fold increase in pan-enterovirus; 95% confidence interval: 1.35-1.91); in the same model, Sabin quantity was negatively associated with RVV seroconversion (relative risk: 0.76; 95% confidence interval: 0.60-0.96). There were otherwise no meaningful associations between individual or total pathogens (bacteria, viruses, parasites or all pathogens) and any measure of RVV immunogenicity. Enteropathogen detection did not differ between randomized WASH and non-WASH groups.
conclusionsEnteropathogen infections were common around the time of rotavirus vaccination in rural Zimbabwean infants but did not explain poor RVV immunogenicity and were not reduced by a package of household-level WASH interventions.
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