inclusion criteria: * patients 18 years of age and older * patients who had received a solid organ (kidney, liver, lung, heart, and pancreas) transplant patient from living or deceased donors. * patients with active graft with at least one immunosuppressive medication * completed two doses of bnt162b2 vaccination at least 28 days ago

inclusion criteria: * patients 18 years of age and older * patients who had received a solid organ (kidney, liver, lung, heart, and pancreas) transplant patient from living or deceased donors. * patients with active graft with at least one immunosuppressive medication * completed two doses of bnt162b2 vaccination at least 28 days ago

inclusion criteria: - patients 18 years of age and older - patients who had received a solid organ (kidney, liver, lung, heart, and pancreas) transplant patient from living or deceased donors. - patients with active graft with at least one immunosuppressive medication - completed two doses of bnt162b2 vaccination at least 28 days ago

inclusion criteria: - patients 18 years of age and older - patients who had received a solid organ (kidney, liver, lung, heart, and pancreas) transplant patient from living or deceased donors. - patients with active graft with at least one immunosuppressive medication - completed two doses of bnt162b2 vaccination at least 28 days ago