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Approved WMOCompleted
To determine the efficacy of 3 different Hepatitis B vaccines (HBVAXPRO 40 micrograms, Fendrix and Twinrix) in Hepatitis B vaccine non-responders (ant-HBsAg < 10 IU/L) after one (standard) series of Hepatitis B vaccination with HBVAXPRO-10…