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. 2023 Nov 9;30(3):443–447. doi: 10.1177/13524585231207761

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© The Author(s), 2023

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Humoral responses after repeated SARS-CoV-2 vaccination, showing humoral responses 28 days after first (VD1), second (VD2), third (VD3), and booster (VD4) SARS-CoV-2 vaccination, and at long-term follow-up (FU) for antibodies against the Wuhan-Hu-1 (WH1) and Omicron BA.1 RBD in patients on fingolimod and healthy controls. Antibody titers over time after repeated vaccinations, with the dotted line showing threshold for seropositivity, individual trajectories (gray) and median (blue) (a), and measurements with (red dots) and without (gray dots) previous SARS-CoV-2 infection (b). (c) Proportions of seropositivity.

AU: arbitrary units; HC: healthy controls; RBD: receptor-binding domain; VD: vaccine dose; WH1: Wuhan-Hu-1.