Standard-Dose Intradermal Influenza Vaccine Elicits Cellular Immune Responses Similar to Those of Intramuscular Vaccine in Men With and Those Without HIV Infection
Supporting Files
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7 31 2019
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File Language:
English
Details
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Alternative Title:J Infect Dis
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Personal Author:Amoah, Samuel ; Mishina, Margarita ; Praphasiri, Prabda ; Cao, Weiping ; Kim, Jin Hyang ; Liepkalns, Justine S. ; Guo, Zhu ; Carney, Paul J. ; Chang, Jessie C. ; Fernandez, Stefan ; Garg, Shikha ; Beacham, Lauren ; Holtz, Timothy H. ; Curlin, Marcel E. ; Dawood, Fatimah ; Olsen, Sonja J. ; Gangappa, Shivaprakash ; Stevens, James ; Sambhara, Suryaprakash
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Description:Background.
Human immunodeficiency virus (HIV)–infected persons are at a higher risk of severe influenza. Although we have shown that a standard-dose intradermal influenza vaccine versus a standard-dose intramuscular influenza vaccine does not result in differences in hemagglutination-inhibition titers in this population, a comprehensive examination of cell-mediated immune responses remains lacking.
Methods.
Serological, antigen-specific B-cell, and interleukin 2–, interferon γ–, and tumor necrosis factor α–secreting T-cell responses were assessed in 79 HIV-infected men and 79 HIV-uninfected men.
Results.
The route of vaccination did not affect the immunoglobulin A and immunoglobulin G (IgG) plasmablast or memory B-cell response, although these were severely impaired in the group with a CD4+ T-cell count of <200 cells/μL. The frequencies of IgG memory B cells measured on day 28 after vaccination were highest in the HIV-uninfected group, followed by the group with a CD4+ T-cell count of ≥200 cells/μL and the group with a CD4+ T-cell count of <200 cells/μL. The route of vaccination did not affect the CD4+ or CD8+ T-cell responses measured at various times after vaccination.
Conclusions.
The route of vaccination had no effect on antibody responses, antibody avidity, T-cell responses, or B-cell responses in HIV-infected or HIV-uninfected subjects. With the serological and cellular immune responses to influenza vaccination being impaired in HIV-infected individuals with a CD4+ T-cell count of <200 cells/μL, passive immunization strategies need to be explored to protect this population.
Clinical trials registration.
NCT01538940.
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Subjects:
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Keywords:
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Source:J Infect Dis. 220(5):743-751
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Pubmed ID:31045222
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Pubmed Central ID:PMC11298778
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Document Type:
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Funding:
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Volume:220
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Issue:5
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Collection(s):
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Main Document Checksum:urn:sha-512:f0e30bb0cb445c96c4c7c4a8092f15a39dce39f01e738fdeee62ead36a641fe5030125c2a8ecfc0844e30647bd0275eae0b23d8a964e87d380033770a54514ba
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Download URL:
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File Type:
Supporting Files
File Language:
English
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