title: Letter from the editor.
authors.forename: Ronald
authors.initials: R
authors.lastname: Ellis
authors.forename: Adam
authors.initials: A
authors.lastname: Weiss
mesh_terms: D001424:Bacterial Infections / Q000276:immunology / Q000517:prevention & control*; D035081:Editorial Policies; D007167:Immunotherapy / Q000379:methods*; D010506:Periodicals as Topic; D014612:Vaccines / Q000276:immunology* / Q000302:isolation & purification*; D014777:Virus Diseases / Q000276:immunology / Q000517:prevention & control*
chemical_list: D014612:Vaccines