Organ transplant recipients who did not achieve satisfactory immunity from two doses of the Moderna COVID-19 vaccine shot appeared to benefit from a third dose, according to a letter published yesterday in the New England Journal of Medicine.The University of Health Network researchers enrolled 120 organ transplant patients who had no history of COVID-19 infection, and who had suboptimal results from their two doses of Moderna vaccine.
Two months after their second dose, half received another Moderna vaccine, while the remainder received a placebo. The resulting 2-month follow-up showed that patients who received a third dose had a higher likelihood of achieving satisfactory antibody levels against the SARS-CoV-2 spike protein as well as