title: Hepatitis A vaccine shows promise.
authors.forename: M
authors.initials: M
authors.lastname: Hoffman
mesh_terms: D002648:Child; D004311:Double-Blind Method; D006506:Hepatitis A / Q000517:prevention & control*; D006801:Humans; D014765:Viral Vaccines / Q000276:immunology*
chemical_list: D014765:Viral Vaccines