title: Flu campaign gets expansion.
mesh_terms: D000368:Aged; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration*; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000517:prevention & control*; D006113:United Kingdom
chemical_list: D007252:Influenza Vaccines