Immunogenicity of the COVID-19 BNT162b2 vaccine in adolescents and young adults with cystic fibrosis. - Michos, Athanasios; Filippatos, Filippos; Tatsi, Elizabeth-Barbara; Dellis, Charilaos; Efthymiou, Vasiliki; Zarkada, Ioanna; Troupi, Evgenia; Syriopoulou, Vasiliki; Loukou, Ioanna (Journal of Cystic Fibrosis, 2022)