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. 2021 Feb 26;5(5):1164–1177. doi: 10.1182/bloodadvances.2020003568

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© 2021 by The American Society of Hematology

This article is made available via the PMC Open Access Subset for unrestricted reuse and analyses in any form or by any means with acknowledgment of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global 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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Figure 1. — Circulating biomarkers separate COVID-19 patients according to disease severity. (A) Heatmap of proteomic data from the cross-sectional cohort, indicating relative protein levels detected in each subject (columns) for all biomarkers tested (rows). Proteins are categorized by biological function. (B) Visualization of the first 2 principal components (PCs) of a PCA of all biomarker data for each subject.