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Attenuated humoral responses in HIV after SARS-CoV-2 vaccination linked to B cell defects and altered immune profiles.

Emma Touizer | Aljawharah Alrubayyi | Rosemarie Ford | Noshin Hussain | Pehuén Pereyra Gerber | Hiu-Long Shum | Chloe Rees-Spear | Luke Muir | Ester Gea-Mallorquí | Jakub Kopycinski | Dylan Jankovic | Anna Jeffery-Smith | Christopher L Pinder | Thomas A Fox | Ian Williams | Claire Mullender | Irfaan Maan | Laura Waters | Margaret Johnson | Sara Madge | Michael Youle | Tristan J Barber | Fiona Burns | Sabine Kinloch | Sarah Rowland-Jones | Richard Gilson | Nicholas J Matheson | Emma Morris | Dimitra Peppa | Laura E McCoy
iScience | 2023

We assessed a cohort of people living with human immunodeficiency virus (PLWH) (n = 110) and HIV negative controls (n = 64) after 1, 2 or 3 SARS-CoV-2 vaccine doses. At all timepoints, PLWH had significantly lower neutralizing antibody (nAb) titers than HIV-negative controls. We also observed a delayed development of neutralization in PLWH that was underpinned by a reduced frequency of spike-specific memory B cells (MBCs). Improved neutralization breadth was seen against the Omicron variant (BA.1) after the third vaccine dose in PLWH but lower nAb responses persisted and were associated with global MBC dysfunction. In contrast, SARS-CoV-2 vaccination induced robust T cell responses that cross-recognized variants in PLWH. Strikingly, individuals with low or absent neutralization had detectable functional T cell responses. These PLWH had reduced numbers of circulating T follicular helper cells and an enriched population of CXCR3+CD127+CD8+T cells after two doses of SARS-CoV-2 vaccination.

Pubmed ID: 36590902 RIS Download

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Associated grants

  • Agency: Medical Research Council, United Kingdom
    Id: MC_PC_20060
  • Agency: Medical Research Council, United Kingdom
    Id: MR/W020556/1
  • Agency: NIAID NIH HHS, United States
    Id: R01 AI155182
  • Agency: Medical Research Council, United Kingdom
    Id: MR/T032413/1
  • Agency: Medical Research Council, United Kingdom
    Id: MR/R008698/1

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