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Cycle threshold (CT) data for every SARS-CoV-2 patient sample tested using the Hologic Panther assay. Data are presented as means ± standard errors of the means for strains with an aspartate (D614, n = 102 strains, blue) or glycine (G614, n = 812 strains, red) at amino acid 614 of the spike protein. Mann-Whitney test; *, P < 0.0001.
