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Humoral response to two doses of BNT162b2 vaccination in people with HIV

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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BACKGROUND: People with HIV (PWH) are at increased risk of severe COVID-19. We aimed to determine humoral responses in PWH and controls who received two doses of BNT162b2.

METHODS: In 269 PWH and 538 age-matched controls, we measured IgG and neutralizing antibodies specific for the receptor-binding domain of SARS-CoV-2 at baseline, 3 weeks and 2 months after the first dose of BNT162b2.

RESULTS: IgG antibodies increased from baseline to 3 weeks and from 3 weeks to 2 months in both groups, but the concentrations of IgG antibodies were lower in PWH than that in controls at 3 weeks and 2 months (p = 0.025 and <0.001), respectively. The IgG titres in PWH with a humoral response at 2 months were 77.9% (95% confidence interval [62.5%-97.0%], age- and sex-adjusted p = 0.027) of controls.

CONCLUSIONS: Reduced IgG antibody response to vaccination with BNT162b2 was found in PWH, and thus increased awareness of breakthrough infections in PWH is needed.

OriginalsprogEngelsk
TidsskriftJournal of Internal Medicine
Vol/bind291
Udgave nummer4
Sider (fra-til)513-518
Antal sider6
ISSN0954-6820
DOI
StatusUdgivet - apr. 2022

Bibliografisk note

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