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Development of the gut microbiota throughout life. Relative abundances of bacterial phyla (Proteobacteria, Actinobacteria, Firmicutes, Bacteroidetes and other) are depicted for preterm infants (at birth and at discharge from hospital), term infants, children, adults and older adults. Infants’ relative abundances were derived from work by (Masi et al., 2021; Stewart et al., 2018; Vaiserman et al., 2017). Image was created using Servier Medical Art (http://smart.servier.com/)
