title: How to foil the flu.
mesh_terms: D000328:Adult; D000368:Aged; D002648:Child; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000517:prevention & control*; D012307:Risk Factors
chemical_list: D007252:Influenza Vaccines