Immunogenicity Is Not Improved by Increased Antigen Dose or Booster Dosing of Seasonal Influenza Vaccine in a Randomized Trial of HIV Infected Adults

Curtis Cooper, Anona Thorne, Marina Klein, Brian Conway, Guy Boivin, David Haase, Stephen Shafran, Wendy Zubyk, Joel Singer, Scott Halperin, Sharon Walmsley and on behalf of the CIHR Canadian HIV Trials Network Influenza Vaccine Research Group

PLOS ONE, 2011, vol. 6, issue 3, 1-7

Abstract: Introduction: The risk of poor vaccine immunogenicity and more severe influenza disease in HIV necessitate strategies to improve vaccine efficacy. Methods: A randomized, multi-centered, controlled, vaccine trial with three parallel groups was conducted at 12 CIHR Canadian HIV Trials Network sites. Three dosing strategies were used in HIV infected adults (18 to 60 years): two standard doses over 28 days, two double doses over 28 days and a single standard dose of influenza vaccine, administered prior to the 2008 influenza season. A trivalent killed split non-adjuvanted influenza vaccine (Fluviral™) was used. Serum hemagglutinin inhibition (HAI) activity for the three influenza strains in the vaccine was measured to assess immunogenicity. Results: 297 of 298 participants received at least one injection. Baseline CD4 (median 470 cells/µL) and HIV RNA (76% of patients with viral load

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0017758

DOI: 10.1371/journal.pone.0017758

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