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ARG profiles throughout the experimental period. (a) Relative abundance of ARGs and MGEs in water, carbon and surgical mask samples. (b) Percentage of each class of ARGs and MGEs in all samples. (c), (d) and (e) Principal coordinate analysis (PCoA) of ARGs in all samples based on a Bray-Curtis dissimilarity matrix. Colors indicates samples, while triangle, cross, square and circle represent sample time points.
