Comparison of the safety and immunogenicity of the BNT-162b2 vaccine and the ChAdOx1 vaccine for solid organ transplant recipients: a prospective study oleh Aziza A. Ajlan, Tariq Ali, Hassan Aleid, Khalid Almeshari, Edward DeVol, Morad Ahmed Alkaff, Layal Fajji, Ali Alali, Dani Halabi, Sahar Althuwaidi, Saad Alghamdi, Asad Ullah, Abdulrahman Alrajhi, Khalid Bzeizi, Reem Almaghrabi, Kris Ann Hervera Marquez, Bilal Elmikkaoui, Eid Albogumi, Haifa Aldakhil, Moheeb Al-Awwami, Dieter C. Broering