Additionally, before late‐onset NEC, an increasing trend was found for Gammaproteobacteria (from the Proteobacteria phylum), including Escherichia/Shigella and Cronobacter , compared with controls. 24 Stewart et al. 22 , 25 reported low microbial diversity to be a risk factor for NEC.
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The sentences
discovered that in the 2 weeks preceding LOS development in preterm infants, the gut microbiota was characterized by low diversity, an increasing trend for the Proteobacteria phylum, and a decreasing trend for the Firmicutes phylum.