COVID-19 3rd Dose Vaccine in Transplant Patients

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 Exclusion Criteria: * Patient with non-active graft * Any significant side effect with previous COVID-19 vaccination * Within 28 days of BNT162b2 vaccine completion * Already received more than and equal to three doses of COVID-19 vaccination * Previously received COVID-19 vaccine other than BNT162b2 vaccine * Previously received monoclonal Antibody treatment that are specifically directed against the spike protein for Severe Acute Respiratory Syndrome (SARS) Coronavirus 2 (CoV)-2 such as Mab, Bamlanivimab, etesevimab, Casirivimab, imdevimab, Sotrovimab and/or any combination. * Thrombocytopenia (if less than 50,000 per microliter 30 days prior vaccination) * History of Capillary Leak Syndrome * Adults unable to consent * Individuals who are not yet adults (younger than 18 year old) * Vulnerable patients (prisoners) * Pregnant women