medRxiv PreprintsInternational9 November 2026
Harmonization of microbiome data in the Environmental influences on Child Health Outcomes (ECHO) Cohort to analyze environmental influences on the child microbiome
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The human microbiome is critical for health across the life course and may mediate the relationship between early-life exposures and health outcomes. The Environmental influences on Child Health Outcomes (ECHO) Cohort provides a unique opportunity to investigate this relationship in children. Individual cohort sites within the ECHO Cohort collected and sequenced microbiome data prior to the consortium formation. Sequencing data were annotated using a common protocol. We summarized the relationship between participant characteristics and features of the microbiome to understand how ECHO can adv
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