title: Vaccine safety signal from spontaneous system not supported by active surveillance.
authors.forename: Cheryl A
authors.initials: CA
authors.lastname: Thompson
mesh_terms: D016907:Adverse Drug Reaction Reporting Systems / Q000706:statistics & numerical data*; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007252:Influenza Vaccines / Q000009:adverse effects*; D003294:Seizures, Febrile / Q000139:chemically induced
chemical_list: D007252:Influenza Vaccines