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. 2021 Jun 10;12:671683. doi: 10.3389/fmicb.2021.671683

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Copyright © 2021 Ma, Zhang, Xu, Qian, Yang, Zhan and Han.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Diversity analysis of fecal microbiota between groups D and H. (A) Alpha diversity is the index of species variety in a single sample, including the observed species, chao1, shannon, and simpson. (B) Principal Coordinates Analysis (PCoA) was used to further demonstrate the differences in species diversity between samples, it can reveal the magnitude of the differences between samples. PCoA analysis results of species diversity between samples, if two samples are close to each other, it means that the species composition of these two samples is similar (D, Diarrhea; H, Health). *difference between the two groups is significant(p < 0.05).