title: No one is flu-proof.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001315:Australia / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D015994:Incidence; D007223:Infant; D053118:Influenza A Virus, H1N1 Subtype / Q000187:drug effects*; D007252:Influenza Vaccines / Q000627:therapeutic use*; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D032541:Mass Vaccination / Q000706:statistics & numerical data*; D008875:Middle Aged; D012307:Risk Factors; D016896:Treatment Outcome; D055815:Young Adult
chemical_list: D007252:Influenza Vaccines