Immunization rates in pre-liver transplant patients have been historically below rates for immunocompetent patients. At Cleveland Clinic, an infectious diseases (ID) consult is required for all patients during the liver transplant evaluation and may beneficially impact vaccination rates. The goal of this study was to evaluate pre-transplant vaccination rates in pre-liver transplant candidates. This single-center, retrospective chart review included adults transplanted between January 1, 2013, and December 31, 2016. Prior to transplant, rates of vaccination and/or documented seropositivity were 35% for hepatitis B vaccine, 92% for hepatitis A vaccine, 57% for pneumococcal conjugate vaccine, 62% for pneumococcal polysaccharide vaccine, and 77% for influenza vaccine. Vaccination rates were higher than to previously reported. Rates were also higher for several vaccines compared to transplant candidates for other organs without ID consult. With ongoing ID consult requirements for liver transplant candidates, combined with standardization of vaccine recommendations via technology, and increased multi-disciplinary collaboration, vaccination rates should improve further. K E Y W O R D Sinfectious diseases, liver transplant, vaccine

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