title: Age-related response to 1000 CCA unit zonally purified, inactivated influenza vaccines in volunteers in the U.S.A.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000914:Antibodies, Viral / Q000032:analysis; D000917:Antibody Formation; D000956:Antigens, Viral; D002499:Centrifugation, Density Gradient / Q000379:methods; D002501:Centrifugation, Zonal / Q000379:methods; D002648:Child; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007114:Immunization; D007252:Influenza Vaccines / Q000008:administration & dosage*; D008875:Middle Aged; D014481:United States
chemical_list: D000914:Antibodies, Viral; D000956:Antigens, Viral; D007252:Influenza Vaccines