MenB-FHbp or MenACWY-TT/MenB-FHbp Vaccine in MenB-4C Primed Young Adults

연구 개요

The goal of this clinical trial is to determine the immunogenicity of certain vaccines in protecting against meningitis B (MenB) in young adults who have previously received a different MenB vaccine. The main questions it aims to answer are: * How many participants are protected against four key types of MenB bacteria before and after getting the new vaccine? * How strong is the immune response after vaccination, and how many people show a noticeable boost in immune response?