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Box and whisker plots of RT-qPCRa or RT-dPCRb-measured SARS-CoV-2 RNA GC as observed for wastewater samples seeded with (A) 2.32 × 104 GC/50 mL and (B) 2.32 × 105 GC/50 mL. Upper and lower fences display the 5th and 95th percentile. Boxes display the interquartile range and median. CCDC: China CDC.
