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SARS-CoV-2 neutralizing – receptor binding domain antibodies (%) in cystic fibrosis (CF) patients (n = 33) and in healthy controls (Ctl) (n = 66), 20 days after vaccination with the first dose and one month after the second dose of the BNT162b2 vaccine. Black lines represent median (IQR) values. CF: cystic fibrosis, Ctl: control.
