People living with HIV-1 (PLWH) exhibit more rapid antibody decline following routine immunization and elevated baseline chronic inflammation than people without HIV-1 (PWOH), indicating potential for diminished humoral immunity during SARS-CoV-2 infection. Conflicting reports have emerged on the ability of PLWH to maintain humoral protection against SARS-CoV-2 co-infection during convalescence. It is unknown if peak COVID-19 severity, along with HIV-1 infection status, associates with the quality and quantity of humoral immunity following recovery. Using a cross-sectional observational cohort from the USA and Peru, adults were enrolled 1-10 weeks post-SARS-CoV-2 infection diagnosis or symptom resolution. Serum antibodies were analyzed for SARS-CoV-2-specific response rates, binding magnitudes, ACE2 receptor blocking and antibody dependent cellular phagocytosis (ADCP). Overall, (1) PLWH exhibited a trend towards decreased magnitude of SARS-CoV-2-specific antibodies, despite modestly increased overall response rates when compared to PWOH, (2) PLWH recovered from symptomatic outpatient COVID-19 had comparatively diminished immune responses, and (3) PLWH lacked a corresponding increase in SARS-CoV-2 antibodies with increased COVID-19 severity when comparing asymptomatic to symptomatic outpatient disease.
Daniel J. Schuster, Shelly Karuna, Caroline Brackett, Martina S. Wesley, Shuying S. Li, Nathan Eisel, DeAnna Tenney, Sir'Tauria Hilliard, Nicole L. Yates, Jack R. Heptinstall, LaTonya D. Williams, Xiaoying Shen, Robert Rolfe, Robinson Cabello, Lu Zhang, Sheetal Sawant, Jiani Hu, April Kaur Randhawa, Ollivier Hyrien, John A. Hural, Lawrence Corey, Ian Frank, Georgia D. Tomaras, Kelly E. Seaton
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