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Fig. 5 | BMC Infectious Diseases

Fig. 5

From: Understanding metabolic alterations after SARS-CoV-2 infection: insights from the patients’ oral microenvironmental metabolites

Fig. 5

Changes in metabolites caused by the body's feedback to the virus. A Relative amounts of 10 metabolites in control, influenza and COVID-19 might reflect the body’s feedback after virus infection. B PLS-DA score plot of Influenza and COVID-19 group in positive mode. Blue nodes: Influenza subjects, red nodes: COVID-19 subjects. C PLS-DA score plot of Influenza and COVID-19 group in negative mode. Blue nodes: Influenza subjects, red nodes: COVID-19 subjects. D Cross-validation plot in positive mode. E Cross-validation plot in positive mode. F Relative amounts of 2 metabolites significantly decreased in Influenza group. *p < 0.05, **p < 0.01, ***p < 0.0001

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