title: Why collect individual-level vaccination data?
mesh_terms: D002170:Canada / Q000453:epidemiology; D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000453:epidemiology*; D003625:Data Collection; D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000517:prevention & control; D011159:Population Surveillance; D011634:Public Health; D012042:Registries; D045169:Severe Acute Respiratory Syndrome / Q000517:prevention & control; D014611:Vaccination / Q000706:statistics & numerical data*; D014765:Viral Vaccines / Q000008:administration & dosage*
chemical_list: D014765:Viral Vaccines