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. 2021 Dec 2;12:780594. doi: 10.3389/fimmu.2021.780594

Figure 1.

Figure 1

Antibody titers in 39 peritoneal dialysis patients after the first and the second dose of the mRNA-1273 vaccine. Seropositivity was detected in 38 of 39 peritoneal dialysis patients (circles). Antibody titers increased significantly from a median of 6.62 U/mL (IQR 1.57-22.5) four weeks after the first dose to 968 U/mL (IQR 422.5-2500 U/mL) after the second dose (Wilcoxon matched pairs signed rank test, p = 8.057 x 10-08). The technical upper limit of antibody detection was at 2500 U/mL and was reached in 11 patients (circles may overlap).