[Epidemiological study on the antigenic properties of anti-influenza vaccine].
D000917:Antibody Formation; D002648:Child; D002986:Clinical Trials as Topic; D005069:Evaluation Studies as Topic; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000276:immunology / Q000517:prevention & control*; D008800:Mexico; D010919:Placebos; D014611:Vaccination
D007252:Influenza Vaccines; D010919:Placebos
Investigación epidemiológica sobre el poder antígeno de la vacuna antiinfluenza.