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. 2021 Jun 7;9(6):1237. doi: 10.3390/microorganisms9061237

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Comparison of Firmicutes to Bacteroidetes ratio in paired samples diagnosed with COVID-19. Each point on the left and right sides of the slope graph corresponds to the samples collected in the infected state (respiratory positive (RP)-SARS-CoV-2) and in the recovered state (respiratory negative (RN)-SARS-CoV-2), respectively. Paired samples from the same subject are connected with a blue line showing the change in the ratio. ^† SARS-CoV-2 RNA from the respiratory tract. RP, respiratory positive SARS-CoV-2; RN, respiratory negative SARS-CoV-2.