title: Letter from the editor.
authors.forename: Ronald W
authors.initials: RW
authors.lastname: Ellis
authors.forename: Eva M
authors.initials: EM
authors.lastname: Riedmann
mesh_terms: D006801:Humans; D001428:Bacterial Vaccines / Q000276:immunology; D035081:Editorial Policies; D010506:Periodicals as Topic
chemical_list: D001428:Bacterial Vaccines