[Study of the effectiveness of an inactivated influenza vaccine in intra-nasal administration].
D000293:Adolescent; D000328:Adult; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D012383:Romania; D014611:Vaccination
D007252:Influenza Vaccines
Studiul eficienţei unui vaccin gripal inactivat administrat pe cale intranazală.