title: USA eases flu vaccine restrictions.
authors.forename: Marilynn
authors.initials: M
authors.lastname: Larkin
mesh_terms: D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000191:economics / Q000494:pharmacology / Q000600:supply & distribution*; D007251:Influenza, Human / Q000517:prevention & control*; D014481:United States; D014611:Vaccination / Q000331:legislation & jurisprudence*
chemical_list: D007252:Influenza Vaccines