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Differences in Antibody Peak Levels after Two Vaccine Doses in COVID-19 Naive and COVID-19 Recovered Patients on Hemodialysis. Antibody levels are reported as signal-to-cutoff (S/CO) ratios: mean ± standard deviation (SD); in COVID-19-naïve patients, the mean antibody level was 17.9 ± 3.2, while n COVID-19 recovered patients the mean antibody level was 44.7 ± 5.6, p < 0.001.
