title: Vaccines--how and why they work.
authors.forename: Georgina
authors.initials: G
authors.lastname: Casey
mesh_terms: D003140:Communicable Disease Control / Q000266:history* / Q000379:methods*; D003141:Communicable Diseases / Q000451:nursing*; D004509:Education, Nursing, Continuing; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D032541:Mass Vaccination / Q000458:organization & administration*; D009520:New Zealand; D009741:Nursing Staff, Hospital / Q000193:education*; D014612:Vaccines / Q000266:history* / Q000627:therapeutic use*
chemical_list: D014612:Vaccines