Twelve-Month Follow-up of Early COVID-19 Cases in the United States: Cellular and Humoral Immune Longevity.
Melisa M ShahMohammad Ata Ur RasheedJennifer L HarcourtGlen R AbediMegan M StumpfHannah L KirkingAzaibi TaminLisa MillsMadeleine ArmstrongPhillip P SalvatoreKrishna SurasiSarah E ScottMarie E KillerbyMelissa Briggs-HagenSharon SaydahJacqueline E TateAlicia M FryAron J HallNatalie J ThornburgClaire M Midgleynull nullPublished in: Open forum infectious diseases (2022)
We quantify antibody and memory B-cell responses to severe acute respiratory syndrome coronavirus 2 at 6 and 12 months postinfection among 7 unvaccinated US coronavirus disease 2019 cases. All had detectable S-specific memory B cells and immunoglobulin G at both time points, with geometric mean titers of 117.2 BAU/mL and 84.0 BAU/mL at 6 and 12 months, respectively.