Immunogenicity of BNT162b2 Vaccine Booster Dose in Patients With Inflammatory Bowel Disease Receiving Infliximab Combination Therapy: A Prospective Observational Study oleh Mohammad Shehab, Fatema Alrashed, Ahmad Alfadhli, Abdulwahab Alsayegh, Usama Aldallal, Mariam Alsayegh, Preethi Cherian, Irina Alkhair, Thangavel Alphonse Thanaraj, Arshad Channanath, Ali A. Dashti, Anwar Albanaw, Hamad Ali, Hamad Ali, Mohamed Abu-Farha, Jehad Abubaker, Fahd Al-Mulla