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. 2022 Aug 30:M22-0924. doi: 10.7326/M22-0924

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This article is made available via the PMC Open Access Subset for unrestricted re-use for research, analyses, and text and data mining through PubMed Central. Acknowledgement of the original source shall include a notice similar to the following: "© 2020 American College of Physicians. Some rights reserved. This work permits non-commercial use, distribution, and reproduction in any medium, provided the original author and source are credited." These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Visual Abstract. Baseline Plasma Antigen and Outcomes in Patients Hospitalized With COVID-19. In a large cross-sectional study done in 114 centers in 10 countries, the authors assessed whether there was an association of an elevated SARS-CoV-2 plasma antigen level at presentation with a variety of patient characteristics, clinical outcomes, and viral factors. — In a large cross-sectional study done in 114 centers in 10 countries, the authors assessed whether there was an association of an elevated SARS-CoV-2 plasma antigen level at presentation with a variety of patient characteristics, clinical outcomes, and viral factors.