Current coronavirus disease 2019 (COVID-19) mRNA vaccines induce robust SARS-CoV-2-specific humoral and cellular responses in people with HIV (PWH). However, the rate of decay of effector immune responses has not been studied in these individuals. Here, we report a significant waning of antibody responses but persistent T-cell responses 6 months post vaccination in virally suppressed PWH with high CD4+ T-cell counts. These responses are comparable with those seen in healthy donors.
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