title: Letter from the Editor.
authors.forename: Ronald
authors.initials: R
authors.lastname: Ellis
mesh_terms: D001424:Bacterial Infections / Q000453:epidemiology* / Q000276:immunology; D001428:Bacterial Vaccines / Q000008:administration & dosage / Q000009:adverse effects / Q000276:immunology* / Q000302:isolation & purification; D019496:Cancer Vaccines / Q000008:administration & dosage / Q000009:adverse effects / Q000276:immunology* / Q000302:isolation & purification; D002986:Clinical Trials as Topic; D018562:Disease Transmission, Infectious / Q000517:prevention & control*; D055808:Drug Discovery / Q000639:trends; D004353:Drug Evaluation, Preclinical; D006801:Humans; D009369:Neoplasms / Q000276:immunology / Q000628:therapy*; D014765:Viral Vaccines / Q000008:administration & dosage / Q000009:adverse effects / Q000276:immunology* / Q000302:isolation & purification; D014777:Virus Diseases / Q000453:epidemiology* / Q000276:immunology
chemical_list: D001428:Bacterial Vaccines; D019496:Cancer Vaccines; D014765:Viral Vaccines