title: Introduction to this supplement.
authors.forename: Alan D T
authors.initials: AD
authors.lastname: Barrett
authors.forename: Shan
authors.initials: S
authors.lastname: Lu
authors.forename: Gregory A
authors.initials: GA
authors.lastname: Poland
mesh_terms: D001694:Biological Warfare / Q000517:prevention & control*; D002959:Civil Defense; D055808:Drug Discovery; D006801:Humans; D032541:Mass Vaccination; D013678:Technology, Pharmaceutical / Q000639:trends; D014612:Vaccines / Q000191:economics / Q000627:therapeutic use
chemical_list: D014612:Vaccines