Influenza vaccination by aerosol nasal spray.
D000336:Aerosols; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000276:immunology / Q000517:prevention & control*; D009666:Nose; D014611:Vaccination
D000336:Aerosols; D007252:Influenza Vaccines