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Evolution of SARS-CoV-2 viral load values. Comparison before (day 0) and 7 days after (day 7) nirmatrelvir-ritonavir initation. Compared with day 0, median SARS-CoV-2 viral load assessed at day 7 dramatically dropped (23,137,655 copies/ml vs. 1746 copies/ml, Wilcoxon Signed rank test; P = 0.002). Medians and IQRs of SARS-CoV-2 viral loads are represented. IQR, interquartile range.
