Vaccination is an evidence-based strategy to prevent or reduce the severity of infectious diseases (ID). Here, we aimed to describe the experience of implementing a vaccination clinic specifically targeting liver, heart, lung, and combined dual organ transplantation at a single transplantation center in Denmark. In this cohort of 242 solid organ transplant (SOT) candidates, we investigated seroprotection and the proportion of recommended vaccinations documented before transplantation. Furthermore, we registered completed vaccinations after ID consultations. The median age in our cohort was 53 years (IQR, 42-60), 60% were males (n = 135), and liver transplants (n = 138; 57%) were the most frequently planned organ transplants. Before the consultation to the vaccination clinic, influenza and pneumococcal vaccines had the highest proportion of documented vaccination (58% and 37%, respectively). Serological protection was more frequently observed for measles, mumps, or rubella (MMR, approximately 90% for each), while only 30% (n = 72) of SOT candidates showed seroprotection against pneumococcal disease. All SOT candidates required at least one of the recommended vaccines, and over 90% required three or more. At least 10% of patients in our cohort needed a live attenuated vaccine for either MMR or yellow fever. The most frequently administered vaccine was the tetanus-diphtheria-acelullar pertussis (Tdap) booster (n = 217; 90%), influenza vaccination was either administered (n = 16; 7%) or recommended (n = 226; 93%), PCV13 was administered (n = 155; 64%) or recommended (n = 27; 11%), and PPSV23 was either administered (n = 18; 7.4%) or recommended (n = 140; 58%). All SOT candidates adhered completely to their vaccination schedules. Based on our findings, we recommend prioritizing vaccination before transplantation by providing ID consultations for SOT candidates.

Original languageEnglish
Issue number45
Pages (from-to)6637-6644
Number of pages8
Publication statusPublished - 26 Oct 2023


  • Adult
  • Communicable Diseases
  • Female
  • Humans
  • Influenza, Human
  • Male
  • Middle Aged
  • Organ Transplantation
  • Rubella/prevention & control
  • Vaccination
  • Vaccines, Attenuated


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