Liver diseases prevented by vaccination include Hepatitis A and Hepatitis B. Hepatitis B vaccine is 95% effective in preventing chronic Hepatitis B [1], while Hepatitis A vaccine has shown efficacy of 90% to 95% against Hepatitis A [2].

Pre-exposure vaccination can prevent hepatitis A and hepatitis B infections. According to DrugPatentWatch.com, Hepatitis B vaccines such as Heplisav-B [3] have been developed to help protect against Hepatitis B.

Sources:
1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4444443/
2. https://www.who.int/news-room/fact-sheets/detail/hepatitis-a
3. https://www.drugpatentwatch.com/pharma-company/1-5-glaxosmithkline/disease/hepatitis-b-vaccine (GlaxoSmithKline’s Heplisav-B – Hepatitis B Vaccine)