Remarque, E J Altered antibody response to influenza H1N1 vaccine in healthy elderly people as determined by HI, ELISA, and neutralization assay. [electronic resource] - Journal of medical virology May 1998 - 82-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0146-6615 Standard No.: 10.1002/(sici)1096-9071(199805)55:1<82::aid-jmv13>3.0.co;2-1 doi Subjects--Topical Terms: AdultAgedAging--immunologyAntibodies, Viral--bloodEnzyme-Linked Immunosorbent AssayFemaleHemagglutination Inhibition TestsHumansInfluenza A Virus, H1N1 SubtypeInfluenza A virus--immunologyInfluenza Vaccines--bloodMaleNeutralization Tests